Posters by Session

(92) Correlation of COVID positivity on L&D with community positivity and wastewater monitoring

(93) Maternal sex chromosome aneuploidy identified through noninvasive prenatal screening: clinical profile and patient experience

(94) Antepartum hemorrhage at delivery after Solomon laser for Twin-Twin Transfusion Syndrome

(95) Implications of repeat fetoscopic laser surgery in Twin Twin Transfusion Syndrome

(96) Association between potentially traumatic birthing experience and worsening postpartum depression or anxiety trajectories

(97) Risk of postpartum hemorrhage and blood transfusion with mild thrombocytopenia

(98) The association between gender in dichorionic-diamniotic twin pregnancies and the risk for long-term respiratory morbidity

(99) Stage based survival after fetoscopic laser ablation treatment of twin-transfusion syndrome using the ‘Solomon technique’

(100) Phenotype based staging of disease severity in twin-to-twin transfusion syndrome (TTTS)

(102) Do maternal blood pressure changes related to labor epidural affect fetal heart rate?

(103) Effect of low dose aspirin prophylaxis on severe prematurity

(104) Effects of repeated isoflurane exposure during pregnancy on fetoplacental growth and litter size in rats

(105) Associations between fetal sex and the development of gestational diabetes mellitus (GDM) in twin pregnancies

(106) Maternal Morbidity and Mortality for Women with Concurrent Cancer Diagnoses at Time of Delivery Hospitalization

(107) Cost comparison of readmission versus proactive management of postpartum hypertensive disease with nifedipine

(108) Changes in discrimination across the peripartum period and associations with birth outcomes for Black women

(109) Maternal and neonatal hospitalization costs for births complicated by placenta previa

(110) Association of body mass index and recurrence of gestational diabetes mellitus

(111) Pregnancy outcomes of urgent cervical cerclage according to the degree of cervical dilation

(112) Preoperative Cerebral Spinal Fluid β-Endorphin Levels and Opioid Use after Cesarean

(113) Association of social vulnerability index on COVID-19 infection severity during pregnancy

(114) Postpartum venous thromboembolism chemical prophylaxis and bleeding complications in a U.S. cohort

(116) Trends in cesarean among low-risk deliveries in the United States, 2000-2019

(117) Early Pregnancy Serum Ferritin in the Non-Anemic Patient as a Predictor of Anemia at Delivery

(119) Outcomes of history indicated cerclage compared with cervical length screening in patients with cervical insufficiency.

(120) Placental Expression of Stanniocalcin 2 (STC2) in Healthy and Preeclamptic Pregnancies

(121) Risk factors of severe postpartum hemorrhage in women with prior cesareans and abnormal placental location

(122) Understanding the Impact of AROM with Foley placement in Terms of Vaginal Delivery

(123) Cystic fibrosis during pregnancy and severe maternal morbidity: Nationally representative data from 2006 to 2019

(124) Effect of Hygroscopic Osmotic Dilator versus Foley Balloon on Cesarean Delivery Rates: A Bayesian Analysis

(125) Caput Succedaneum Sonographic Evaluation Prior to Vacuum Extraction Delivery: A Pilot Study

(126) Early Pregnancy Mindfulness and Adverse Perinatal Outcomes

(127) Identification and Diagnosis of Obstetric Patients at High Risk of Cardiovascular Disease

(129) The use of biomarkers to predict maternal postpartum infection in a post-cesarean population

(130) Prenatal Total Lung Volumes Predict Outcomes Among Fetuses with Congenital Genitourinary Anomalies

(131) Predicting spontaneous PTB risk is improved when quantitative ultrasound data are included with clinical data

(132) Use of A Novel Transabdominal Fetal Pulse Oximeter (TFO) In Human Pregnancy: A Proof-of-Concept

(133) Wild type through Omicron: Maternal outcomes across COVID-19 waves

(134) Informed Consent for Routine Genetic Screening: Realistic or Idealistic?

(135) Prenatal Harmattan exposure and birth size: Identifying sensitive windows in pregnancy

(136) Inpatient versus outpatient management of gestational hypertension or preeclampsia without severe features

(137) Neighborhood deprivation in Rhode Island and chronic hypertension during high-risk pregnancy

(138) Patient’s Perception of control: Does the presence of internal or external fetal monitoring matter intrapartum?

(139) Social media use among pregnant and non-pregnant people based on healthcare worker status

(140) Implementation of a standardized protocol for postpartum anemia: a prospective cohort study

(141) Fellow perspectives of abortion-related training in maternal-fetal medicine fellowship: Regional differences in a post-Roe world

(142) Detecting postpartum anal sphincter injuries with three-dimensional endoanal ultrasound: a prospective diagnostic study

(143) The association between social vulnerability index and neonatal intensive care unit admission

(144) Blood transfusion for hemodynamically stable postpartum anemia: Less is more

(145) Prelabor rupture of membranes in women with gestational diabetes and the risk of neonatal hypoglycemia.

(146) The association of obesity with stillbirth

(147) First Trimester 3D Power Doppler for Prediction of Hysterectomy in Women at Risk for PAS

(148) Social Determinants of Health Associated with Intimate Partner Violence in an Urban Obstetric Population

(149) Symptoms of perinatal mood disorders in expectant parents with a diagnosis of a congenital anomaly

(150) Hematopoietic Stem Cell Mobilization in Pregnancy

(151) Interferon Beta Upregulates the Expression of the Contraction Associated Protein Cyclooxygenase-2 in a Mouse Model

(152) Optimal timing of delivery for growth restricted fetuses with gastroschisis: A decision analysis

(153) Prevalence of antenatal iron deficiency and anemia in single healthcare network: rationale for QI initiative

(156) Myocardial oxygen consumption in pregnancies complicated by hypertensive disorders of pregnancy

(157) Myocardial oxygen consumption among low-risk pregnancies

(158) Should amniocentesis be universally offered in cases of isolated fetal VSD?

(159) Delivery outcomes of fetal single ventricle cardiac defects: Results of a multi-disciplinary approach

(160) Fetal single ventricle defects are associated with high rates of growth restriction and intrauterine demise

(161) Effectiveness of Low Dose Aspirin for Prevention of Preeclampsia in a Private Hospital Setting

(162) The ARRIVE Trial: Impact of Elective Induction on Subsequent Pregnancy Occurrence and Mode of Delivery

(163) Assessment of dextromethorphan concentration in human breast milk

(164) Individualized Preterm Labor Risk Prediction Via Neural Network Ensembles

(165) Diagnosis of intrauterine inflammation in women with PPROM using cervicovaginal interleukin-6: systematic review and meta-analysis

(166) Associations between physical fitness, depression, and PTSD during pregnancy among U.S. Army soldiers

(167) Risk of severe maternal morbidity by location of residence in Georgia

(168) Assessing Maternal and Fetal SARS-COV-2 Viral Load, Antibody Profiles and Placental Pathology Following Prenatal Infection

(169) Trends in Postpartum Depression by Race/Ethnicity and Pre-pregnancy Body Mass Index

(170) Decreased Rates of NICU Admissions and Neonatal Transfers after Delayed Delivery for PPROM in NY

(171) Stage 1 Hypertension in Pregnancy and Risk for Severe Maternal Morbidity

(172) Subcutaneous tissue depth during cesarean delivery and neonatal outcomes among women with obesity

(173) Does transportation assistance improve clinical research participation?

(174) Comparison of Antinausea Medications for Persistent Vomiting in Pregnancy Resistant to Doxylamine/Pyridoxine Regimens

(175) Effect of Respiratory and Anticoagulation Medications on Long Covid in the Postpartum Period

(176) Medication Effectiveness for New-onset Headaches in 2nd & 3rd Trimester Pregnancies Refractory to Acetaminophen

(177) Social inequalities in perinatal health: association between markers of social deprivation and preterm delivery

(178) Association between perceived ethnic discrimination and receipt of COVID-19 vaccine in pregnancy or postpartum

(179) Is obesity associated with increased adverse outcomes among forceps assisted vaginal deliveries?

(180) Is there utility in cervical length surveillance after cerclage placement for prediction of preterm birth?

(182) The association between the indications for Cesarean delivery and surgery time.

(183) Continuous versus Intermittent Oxytocin Induction in Nulliparous: A Randomized Controlled Trial

(184) Improving clinical fetal weight estimation using machine learning

(185) Vacuum extraction outcomes in primiparas delivered with an induction of labor

(186) Long-term morbidity of triplets according to their birth order; A population- based cohort study

(187) Long-term morbidity of offspring born to women with human immunodeficiency virus (HIV)

(188) Perinatal outcomes of women with known human immunodeficiency virus (HIV)

(189) Clinical demographics of pregnant patients undergoing laparoscopic cholecystectomy

(190) Prenatal Aneuploidy Screening and Its Impact on Stillbirth Etiology Evaluation

(191) Provider willingness towards periviable cervical cerclage placement in singleton gestations: a survey of providers nationwide.

(192) Provider willingness towards periviable cervical cerclage placement in multifetal gestations: a survey of practitioners nationwide.

(193) The expression of proteins associated with iron metabolism in the human placenta complicated with preeclampsia

(194) Do lower glycemic targets improve outcomes in one-step diagnosed gestational diabetic pregnancies

(195) Identifying health systems gaps perceived by postpartum patient navigators at an urban academic medical center

(196) Green Light Therapy: Pilot Intervention to Improve Anxiety in Pregnant Women with Opioid Use Disorder

(197) A Randomized Controlled Trial of Propranolol in Nulliparous Patients with Prolonged Labor: The PRO-LABOR Trial

(198) Buccal Versus Vaginal Misoprostol Combined with a Foley Catheter Among Individuals with Obesity Undergoing Induction

(199) Combination Foley Catheter-Oxytocin versus Oxytocin Alone Following Preterm Premature Rupture Of Membranes

(200) Immediate kangaroo mother care for low birth weight babies reduces neonatal mortality: A cost-effectiveness analysis

(201) Dyslipidemia and risk of hypertensive disorders of pregnancy: a multi-ancestry Mendelian Randomization study

(202) Pathologic subtypes in Japanese women with gestational diabetes

(203) Linear cutting stapler for hysterotomy during cesarean hysterectomy for patients with placenta accreta spectrum disorder

(204) Machine Learning Prediction of risk for Cesarean delivery among nulliparous women in spontaneous labor

(205) Simulation-based mastery learning improves physical exam-indicated cerclage skills among OB/GYN residents

(206) Breastfeeding practices among patients managed by a comprehensive cardio-obstetrics program

(208) Peritoneal adhesions among women with previous cesarean delivery: more than a surgical barrier?

(209) The effect of the ARRIVE trial on hypertensive disease of pregnancy rates among low-risk primigravidas

(210) Intravenous Iron Sucrose Infusions Reducing Postpartum Blood Transfusion: A Quality Improvement Initiative

(211) Is Duration of Labor Protective Against Cesarean Scar Niche Formation?

(212) Comparison of transplacental transfer of clarithromycin in singleton and twin pregnancy

(213) Maternal-fetal biodisposition of buprenorphine and its metabolites in opioid dependent pregnant individuals

(214) Diverse cardiovascular risk of recurrent spontaneous abortion : A prospective cohort study using UK Biobank

(215) Delayed gestational diabetes diagnosis: maternal characteristics, reasons for delay, and delivery outcomes

(216) Real-time prediction of massive transfusion during cesarean section using intraoperative hemodynamic monitoring data

(217) Characterization of suboptimal responses to fetoscopic endoluminal tracheal occlusion in congenital diaphragmatic hernia

(218) Adequacy of glycemic control in early pregnancy with type 2 diabetes and perinatal outcomes

(219) Neuroinflammation leads to axon loss in a murine model of preterm birth

(220) Standardizing induction of labor improves clinical outcomes

(221) Ambulatory follow-up after hypertensive disorders of pregnancy in Michigan

(223) How long is too long? Assessing risks of prolonged latent phase of labor

(224) “A wake-up call”: A mixed methods analysis of diabetes prevention after gestational diabetes

(225) Previable PPROM in twin pregnancies: What can we expect?

(226) Impaired fetal growth drives high rates of cesarean delivery after failed trial of labor

(227) Aspirin’s role in epigenetic reorganization of placental mesenchymal stem cells in preeclampsia

(228) Fetal bladder morphology may predict neonatal outcomes in fetal lower urinary tract obstruction (LUTO)

(229) A novel virtual simulation training improves providers’ knowledge and confidence to manage obstetric emergencies

(230) Screening for sepsis with the CMQCC algorithm in cases of Triple I

(231) Comparison of labor curves between spontaneous and inducing labor

(232) Stakeholder perspectives on recurrent miscarriage services and improvement priorities: Qualitative findings from a national evaluation

(233) Increased primary cesarean delivery rate among people with epilepsy: Risks, drivers and future directions

(234) Increased rates of postpartum emergency department visits and inpatient readmissions in people with epilepsy

(235) Severe maternal morbidity among people with cardiac disease: getting to the heart of the problem

(236) Comparing Objective and Subjective Assessments of Traction in Shoulder Dystocia Simulation Training

(237) In-vitro Fertilization vs Spontaneous Conception and Risk of Hypertensive Disease in Twin Pregnancies

(238) The association between social vulnerability index and gestational diabetes

(239) Anti-β2 glycoprotein-I domain 1 antiphospholipid antibodies as a marker for adverse pregnancy outcomes

(240) Tyramine paradoxically suppresses immune output of the cervicovaginal epithelium: potential mechanisms promoting a Lactobacillus-deplete microbiota

(241) Loop diuretic use in postpartum preeclampsia: A systematic review and meta-analysis

(242) Eradication of intra-amniotic ureaplasmas with clarithromycin: Evidence by analysis of gastric fluid of preterm newborns

(243) Declining incidence of obstetric brachial plexus palsy in vaginally delivered infants.

(244) Asked but not received: Postpartum Contraceptive characteristics in Women with Opioid Use Disorder (OUD)

(245) Activity restriction and risk of adverse pregnancy outcomes

(246) Fertility and Reproductive Outcomes Following Recurrent Miscarriage : A Retrospective Cohort Study

(247) The association of group prenatal care and pregnancy outcomes among high stress pregnant individuals

(248) Implementation of remote blood glucose monitoring for gestational diabetes in an underserved population

(249) Late preterm polyhydramnios and the risk of transient tachypnea of the newborn

(250) Consent for toxicology testing during pregnancy: a qualitative study of patient and clinician perspectives

(251) Implementation of an equity-driven peripartum toxicology testing policy

(252) Cost-Effectiveness of Universal Repeat Screening for HIV in the Third Trimester of Pregnancy

(253) Self-reported pelvic floor symptoms one-year after an OASI in relation to maternal body mass index

(254) First stage labor duration and the risk of postpartum hemorrhage - a population-based cohort study

(255) Association between planned delivery mode and postpartum hemorrhage in twin pregnancies with previous cesarean delivery

(257) Sex differences in cytokine profiles of the maternal-fetal dyad in acute SARS-CoV-2 infection

(258) Risk of Intraamniotic infection by type of internal monitoring used intrapartum

(259) Risk factors associated with CPS referral in pregnancies complicated by positive urine drug screen

(260) States’ Reproductive Rights and Unintended Pregnancy: Analysis of the Pregnancy Risk Assessment Monitoring System

(261) Maternal and neonatal biometry during COVID 19 Pandemic

(262) Application of population modeling to characterize the effect of pregnancy on aspirin pharmacokinetics

(263) NIPT redraw success rates after a single no-call result: Experience with updated SNP algorithm

(264) Fetal insular measurements in pregnancy with estimated fetal weight <10th centile and childhood neurodevelopmental outcomes

(265) Early Pregnancy Blood Pressure Trajectories Predict Preeclampsia and Gestational Hypertension Among Low Risk Pregnancies

(266) Impact of a standardized multidisciplinary protocol for placenta accreta spectrum on blood bank services

(267) Maternal morbidity and obstetric complications during deliveries with prior uterine surgery

(268) Antenatal testing surveillance and perinatal outcomes in pregnancies with trisomy 21

(270) Genome-wide association study meta-analysis of hyperemesis gravidarum confirms GDF15 and identifies additional risk loci

(271) Disparities in fetal surgery access: Association with twin-twin transfusion syndrome stage at initial consultation

(272) Trends in preterm birth in the Netherlands in 2011–2019: a population-based study

(273) Child neurodevelopment following a diagnosis of isolated mild ventriculomegaly: a linked population-based study

(274) Prenatal diagnostic testing decisions in twin pregnancies in the era of cell-free DNA screening.

(275) Intra- and inter-rater reliability for transvaginal cervical strain elastography

(276) Pregnancy outcomes in women with transposition of the great arteries: single-center cohort of 13 patients

(277) Impact of restricted access to abortion services on rate of participants with insufficient prenatal care

(279) Migration and severe maternal outcomes in high income countries: a systematic review and meta-analysis

(280) Obstetrical, neonatal and microbiological outcomes in laboring women with isolated fever versus suspected intraamniotic infection.

(281) The impact of obstetric laceration simulation on resident education

(282) Association between social support and breastfeeding initiation

(283) Severe maternal morbidity associated with cesarean delivery in the periviable period

(284) Social vulnerability index and stillbirth: A secondary analysis of the Stillbirth Collaborative Research Network

(285) Impact of WIC benefits on perinatal outcomes among pregnant patients with low prenatal care utilization

(286) Allergy evaluation in syphilis positive pregnant individuals with penicillin allergy: A cost effectiveness analysis

(287) First Trimester Mean Arterial Pressure and Fetal Growth Restriction Among Subjects with Depression or Anxiety

(288) The Association Between 1st Trimester Maternal Depression or Anxiety and Fetal Growth Restriction

(289) Concordance rates of SNP-NIPT and SNP-array products of conception analysis from a single laboratory

(290) The Cx Device: Benchtop Testing of a Medical Device to Treat Cervical Insufficiency

(291) The effects of inflammatory and acidosis insult on placental blood vessels reactivity

(292) Midtrimester sonographic placenta previa thickness is associated with persistence at delivery

(293) Nipple stimulation results in adequate contractions at lower plasma oxytocin concentration compared with IV oxytocin

(294) HUGS/Abrazos: A Novel Community Initiative to Improve Perinatal Mental Health in a High-Risk Urban Population

(295) Fully quantitative cervical elastography demonstrates detectable differences in cervical remodeling patterns by parity.

(296) Early postnatal PCR testing in the prediction of perinatal transmission of Hepatitis C Virus (HCV)

(297) Prediction of Shoulder Dystocia Utilizing Machine Learning

(298) Risk Factors for First Trimester Iron Deficiency

(299) Reticulocyte Hemoglobin Trend in Pregnancy

(300) Evaluation of neonatal outcomes in COVID-19 positive mothers who received monoclonal antibodies

(301) A multidisciplinary approach to increase breastfeeding rates among gestational diabetes prospective randomized controlled trial

(304) The Optimal Cutoff Time for Defining Prolonged Intertwin Delivery Interval

(305) Whole Exome Sequencing in an Enriched Population of Fetuses with Structural Anomalies

(306) Impact of race/ethnicity on pregnancy outcomes in expectant management of severe hypertensive disorders of pregnancy

(307) Identifying new onset postpartum hypertension in a low risk population using remote blood pressure monitoring

(308) Comparing two protocols for inpatient methadone titration in pregnant patients with opioid use disorder

(309) Naloxone Education and Receipt of Kit During the Perinatal Period

(310) Antibiotics/Indocin for physical exam-indicated cerclages to improve latency – a protocol validation study outside Northwestern

(311) Risk factors and clinical features associated with retained products of conception confirmed histopathologically

(312) The Effect of Fetal Sex and Maternal Race on Intraamniotic Inflection Leading to Fetal Neuroinflammation

(313) Adverse perinatal outcomes and mortality of small for gestational age infants in twin pregnancies

(314) Small for gestational age offspring of short stature mothers and the risk of respiratory morbidity

(316) The impact of diabetes mellitus on the already-large baby: assessing neurological outcomes

(317) Respiratory morbidity among offspring misclassified as growth restricted

(318) Estimating methadone dose at time of discharge among pregnant people hospitalized for management of OUD

(319) Pulse pressure and adverse perinatal outcomes in patients with mild chronic hypertension during pregnancy

(320) Racial and ethnic differences in 39-week induction of labor and cesarean delivery in low-risk populations

(321) Chronic Hypertension Diagnosed by AHA/ACC Criteria Associates with Increased Risk of Hypertensive Disease in Pregnancy

(322) Cost Analysis of Elective cesarean versus induction in nulliparous patients with super-morbid obesity.

(323) Point of Care Prediction of Maternal Admission to the Intensive Care Unit Using Machine Learning

(324) Hypertensive disorders of pregnancy and cardiovascular disease risk across races and ethnicities, a review

(325) External validation of the fullPIERS risk prediction model in women with preeclampsia.

(326) Comparison between expectant and intervention management in women attempting trial of labor after cesarean section

(327) Prolongation of the second stage of labor affects TOLAC success

(328) Individual predictors of platelet response to aspirin therapy in pregnancy

(329) Trends in County-Level Rates of New-Onset Hypertensive Disorders of Pregnancy in US, 2007-2019

(330) Effect of gestational age at diagnosis of single ventricle defects on reproductive choices

(331) Fetal characteristics and neonatal outcomes in single ventricle cardiac defects diagnosed in utero

(332) Covid-19 vaccines after 12 weeks of pregnancy helps to protect infants as well as mothers

(333) Association of air pollution with preterm birth

(334) Association between community-level political affiliation and Tdap, influenza, and COVID-19 vaccination in the peripartum period

(335) Expectant Management of Placental Abruption: Risk Factors for Progression and Morbidity

(336) Adverse Childhood Experiences and Adverse Community Environments Among Maternal Mortality Cases in Arizona

(337) Risk factors for placenta accreta spectrum disorder among patients with previa and prior cesarean delivery

(338) Periviable birth and adverse maternal outcomes stratified by mode of delivery

(339) Periviable Births: Association of maternal morbidity with indications for delivery

(340) Fetal Scalp pH Sampling with EFM vs. EFM Alone: A two-delivery cost-effectiveness analysis

(342) Timing of delivery for “poorly controlled” diabetes and associated neonatal outcomes

(344) Maternal Particulate Matter Exposure and Gestational Diabetes Mellitus

(345) Economic and environmental impact of Maternal-Fetal Telemedicine (teleMFM)

(346) Prenatal ultrasound findings and progression of fetal adrenal hemorrhage: A systematic literature review

(347) The Utility of Hemoglobin A1c in the First Trimester for Detection of Gestational Diabetes

(348) Hospital intrapartum practices and disparities in severe maternal and neonatal morbidity

(349) Risk factors for postpartum readmission in patients with class III obesity undergoing unscheduled cesarean delivery

(350) Second trimester ultrasound measurements of the pelvis to predict mode of delivery in primiparous patients

(351) Prenatal exposure to common heavy metals is associated with anogenital distance in newborns

(352) The role of social support on self-management of gestational diabetes mellitus

(353) Resolution of hydrops fetalis: When does it occur?

(354) Proactive coping in early pregnancy and adverse pregnancy outcomes

(355) Postpartum anger according to birth outcome: anger comparisons from the Stillbirth Collaborative Research Network

(356) Adherence to recommended prenatal visits and stillbirth risk: a Stillbirth Collaborative Research Network secondary analysis

(357) Maternal psychosocial stress and biologic determinants of placental angiogenic factors in a large pregnancy cohort

(358) The impact of a neonatal sleep intervention on postpartum hypertension

(359) The impact of a neonatal sleep intervention on sleep quality in the postpartum period

(360) Obesity, Diet Quality, Neighborhood Socioeconomics, and Risk for Adverse Pregnancy Outcomes Among Black Women.

(361) Perinatal and maternal outcomes with planned cesarean versus planned vaginal delivery: a meta-analysis of RCTs

(362) The association between social vulnerability index and preeclampsia

(364) HIV viral suppression at delivery with integrase inhibitors versus protease inhibitors during pregnancy

(365) Relationship between discharge medication delivery location and postpartum follow-up in hypertensive disorders of pregnancy

(366) Factors associated with abortion completion among people with a fetus affected with myelomeningocele

(997) Consensus protocols for the management of early and late twin-twin-transfusion-syndrome (TTTS), a Delphi study

(367) Implementation of wireless continuous vital sign monitoring after cesarean delivery in Uganda

(368) Cortisol Profiles of Postpartum Women

(369) External Validation of the Clinical Obstetric Co-Morbidity Index Across a Diverse Health System

(370) Validation of Maternal Co-Morbidity Diagnoses Using Differential Data Extraction Strategies Across a Large Health System

(371) Predicting Non-Transfusion Severe Maternal Morbidity by Race using the Obstetric Co-Morbidity Index

(372) Differences in maternal and infant hospitalization costs associated with planned postpartum hysterectomy by race/ethnicity

(373) Rates of Breastfeeding Among Medicaid Patients on WIC

(374) Labor induction outcomes among patients with cardiovascular disease

(375) The Genetic Contribution to Peripartum Thoracic Aortic Dissection in a Retrospective Cohort

(376) Absence of Post–Cesarean Delivery Niche in patients with endometrial-free hysterorrhaphy

(377) A prospective study of anxiety screening in patients with prior preterm birth history

(378) The effect of tailored prenatal care policies with telemedicine on outpatient clinic operations

(379) A short-form screening tool for detecting social needs efficiently in pregnancy

(380) Provider and hospital-level predictors of variation in postpartum opioid prescribing: a statewide analysis

(381) Embryo Implantation Factors from the Uterus Are Associated with Ectopic Implantations

(382) Influence of daytime versus nighttime births on late preterm infant outcomes

(383) Assessing risk factors for iatrogenic preterm prelabor rupture of membranes after fetoscopic laser ablation

(384) Demographic risk factors for vaccine hesitancy

(385) Perinatal mental healthcare utilization among patients with placenta accreta spectrum

(386) Location of buprenorphine initiation and opioid use disorder treatment outcomes during pregnancy

(387) Cumulative Blood Loss and Maternal Early Warning System triggers

(388) Antidepressant treatment modifies the association between maternal breastfeeding experience and HPA axis activation

(389) Maternal Physiologic Adaptations During Transport

(390) Postpartum Mental Health Hospital Encounters Among Mothers with Prenatal Opioid Use

(391) Long-Term Neurological Outcomes of Offspring Misdiagnosed as Intrauterine Growth Restriction

(392) Association between transvaginal cerclage suture type and pregnancy outcomes

(393) Pregnancy and neonatal outcomes in ultrasound-indicated cerclage: a retrospective study

(394) Reclassification of early gestational diabetes diagnoses to pregestational diabetes mellitus

(395) Differences in umbilical vein predict placental sharing and outcome in monochorionic twins with selective growth-restriction.

(396) Infectious Outcomes following Incidental AROM with Intracervical Foley Placement

(397) Comparing Maternal and Neonatal Adverse Outcomes in Antepartum versus Intrapartum COVID-19 Infections

(398) Non-race-based anemia protocol reduces disparity in prenatal iron replacement therapy

(399) Predictors of Postpartum Infection Morbidity Following Cesarean Delivery

(401) Is BMI responsible for variation in hsCRP with Aspirin exposure?

(402) Trends in and outcomes associated with systemic lupus erythematosus and anti-phospholipid syndrome during U.S. deliveries

(403) Impact of Eviction During Pregnancy: A Cost-Effectiveness Analysis

(404) Risk factors for early severe post-partum hemorrhage

(405) Risk factors for early postpartum hemorrhage: differences between vaginal and cesarean deliveries

(406) Thrombotic thrombocytopenic purpura and pregnancy outcomes: a cohort study

(407) Risk Factors and Clinical Significance of placental basal plate myometrial fiber: A single center experience

(409) Trends in stillbirth and neonatal death in obese patients from 2015-2020

(410) Rare Single Gene Etiologies at Risk for Fetal Anemia

(411) Molecular diagnoses in fetuses with megacystis/LUTO by prenatal ultrasound

(412) Gestational age-related risk of rupture of membranes in the setting of fetoscopy for twins

(413) Severe morbidity for placenta accreta spectrum has decreased over time in referral centers

(414) Rupture before 34 weeks: Does offering expectant management beyond 34 weeks make a difference?

(415) Shared decision-making aid to increase equity in the management of PPROM

(416) Trends in chronic conditions and associated risk for severe maternal morbidity, 2000-2019

(417) Indication for Invasive Testing in the Age of Expanded Carrier Screening

(418) Incidence of severe maternal morbidity in obese patients with postpartum hemorrhage

(419) Association of maternal self-reported sleep quality with gestational diabetes

(420) Racial and ethnic differences in maternal self-reported sleep quality in pregnancy

(421) Feasibility and reliability of third trimester functional MRI for evaluating R2* relaxation rates: pilot study

(422) Are aspirin-inducible Lipoxin (LXA4) concentrations correlated with Biomarkers for Endothelial Dysfunction?

(423) Incidence of Teen Births in the United States Taking into Account Racial Disparities

(424) Pregnancy latency and fetal growth restriction in expectant management of severe pre-eclampsia

(425) Interval follow up for intermediate cervical length (26 - 29mm) identified during routine anatomy scan

(426) Patient satisfaction with buprenorphine or methadone for treatment of opioid use disorder during obstetric care

(427) Treating hepatitis C in a substance use disorder prenatal clinic: can telemedicine make us better?

(429) Abortion-related training in maternal-fetal medicine fellowship: key differences between fellows and program directors

(430) Pre-operative planning for placenta accreta spectrum and delivery outcomes

(431) An individualized prescribing protocol for opioid prescriptions at hospital discharge after cesarean delivery

(432) Second Stage Cesarean and Subsequent Spontaneous Preterm Birth Risk

(433) Evidence-based care bundle to reduce cesarean delivery wound complications

(434) A retrospective cohort and cross-sectional survey examining vaccine confidence in an urban pregnant population

(435) Is extending the duration of labor acceptable compromise for women's satisfaction ?

(436) LARC Uptake in High-Risk Pregnancies with Decision Aid versus Routine Care: One-Year Postpartum Follow-Up

(437) Factors associated with cesarean delivery following labor induction in pregnancies with preterm preeclampsia

(439) Age-related COVID-19 vaccination patterns during pregnancy using the Cerner Real-World Data: A large national cohort

(440) Racial and ethnic disparities in severe maternal morbidity in two health systems in North Carolina

(441) CRL discordance in MCDA twin pregnancies as a predictor for late pregnancy complications

(442) Racial/ethnic differences in low-dose aspirin use for preeclampsia risk reduction

(443) Implementation of a patient safety bundle for pregnancy-related severe hypertension in the outpatient setting

(446) Primiparity association with an increased risk for preterm birth among women with short cervical length

(447) Cervical length nomograms for singleton pregnancies

(448) The utility of severity scoring systems to identify obstetric transports at risk for ICU escalation

(449) Low-titer antiphospholipid antibodies is associated with increased risk of late preterm stillbirth

(450) The association between reaching glycemic goals and neonatal complications in gestational diabetes mellitus

(451) Oral metronidazole versus clindamycin to treat bacterial vaginosis in high risk pregnancies for preterm labor

(452) Fetal liver epigenetic and transcriptomic alterations by a maternal high-fat diet exposure in Japanese macaques

(453) Viral single-cell transcriptomics reveals distinct SARS-CoV-2 and RSV immune profiles in infants

(454) Fetal sex and the impact on antenatally detected renal pelvis dilation

(455) Serotonin/tryptophan pathway disruption by maternal high fat diet exposure in non-human primate offspring gut

(456) Nationwide Trends in Neonatal Preterm Birth Outcomes

(457) The Effect of MRI on Surgical Outcomes in Subjects with Placenta Accreta Spectrum

(458) Neutrophil-Lymphocyte ratio:a marker for microbial invasion of amniotic cavity in preterm prelabor rupture of membranes

(459) IL-11 is regulated by TGFβ in fetal membrane explants and localizes to amniotic macrophages

(460) Pregnancy outcomes and iron status in context of beta thalassemia major and intermedia: a meta-analysis

(461) Adverse outcomes and postpartum readmissions following peripartum hysterectomy among placenta accreta spectrum subtypes

(462) How Patients with Antenatal Depression Deliver

(463) Prepregnancy hypertension and the risk of twelve cardiovascular diseases: The role of adverse pregnancy outcomes

(464) Introducing a novel technique to reduce severe perineal injuries during delivery: the “shoulder-up” maneuver

(465) Ultrasound prediction of survival in CDH: validation of the current algorithm in the TOTA-trial population

(466) Outcome of Preterm Pregnancies Evaluated in Triage Settings.

(467) Pregnancy Associated Stroke and Hypertension: A National Cohort Evaluating Temporal Trends, Risk Factors, and Mortality

(468) Temporal Trends in Pregnancy Associated Stroke: Risk Factors and Associated Outcomes, A National Cohort

(469) Adverse Pregnancy Outcomes in People with Type 2 Diabetes Mellitus Utilizing Continuous Glucose Monitoring

(470) Pregnancy Outcomes In People with Diabetes Using Continuous Glucose Monitoring

(471) Risk Factors Associated with Severe Maternal Morbidity in Cardiovascular Disease

(472) Use of perioperative neonatology consultation with periviable cervical cerclage placement: a survey of providers nationwide.

(473) Nausea and vomiting of pregnancy beyond the first trimester and the risk of preterm birth.

(474) Impact of COVID-19 on Maternal and Neonatal Outcomes

(475) Desirability Of Outcome Ranking (DOOR) Methodology Applied to a Trial of Induction versus Expectant Management

(476) Fetal anomaly diagnosis and termination of pregnancy in Ireland; evaluation following implementation of abortion services

(477) Pre-pregnancy AMH level and risk of preeclampsia in IVF patients

(478) Efficacy of In-Utero NSAID versus Expectant Management for Fetal Severe Ebstein Anomaly

(479) Perinatal Outcomes Following Fetoscopic Laser Surgery for Early Twin-to-Twin Transfusion Syndrome

(480) Selective Fetal Growth Restriction in Monochorionic Twins: Natural History and a Call for Classification Modification

(481) Risk Factors for Fetal Demise in Monochorionic Twins Complicated with Selective Fetal Growth Restriction

(482) Fetal Cardiac Intervention in Hypoplastic Left Heart Syndrome With Intact or Restrictive Atrial Septum

(483) Prenatal Agenesis of Corpus Callosum and Diagnostic Yield with Exome Sequencing, Systematic Review and Metanalysis

(484) Beneficial Long-Term Neurodevelopmental Effect of Nifedipine in Twin-to-Twin Transfusion Syndrome (TTTS) Management

(485) Distribution and performance of shock index to predict postpartum hemorrhage after vaginal delivery

(487) Postpartum hemorrhage risk assessment—revisiting the three-tiered classification of low- medium- and high-risk

(488) The Effects of Social Determinants of Health on Breastfeeding Practices in Patients with Heart Disease

(489) History of Offspring Congenital Heart Disease in Pregnancy Increases Risk of Preeclampsia in Subsequent Pregnancy

(490) History of Preeclampsia in Pregnancy Increases Risk of Offspring Congenital Heart Disease

(491) Association Between Preeclampsia and Offspring Congenital Heart Disease

(492) The association between the sum of fetal weights in twin pregnancies and perinatal complications

(493) COVID-19 vaccination status and association with congenital anomalies and birthweight

(494) Chronic conditions and risk for severe maternal morbidity stratified by maternal age ≥40

(495) Association between body-mass-index and gestational-age-specific rates of stillbirth in women with and without chronic hypertension

(496) Comparing Rates of Sexually Transmitted Infections (STI) in Underserved Pregnant Patients Across COVID-19 Waves

(497) Barriers to Immediate Postpartum Breastfeeding Initiation

(498) MRI as an Aid to Ultrasound in Detecting Bladder or Parametrial Invasion in Accreta Spectrum

(499) Impact of antibiotic administration before 20 weeks in previable PPROM on neonatal and maternal outcomes

(500) Maternal Race as a Risk factor for Maternal ICU Admission, Cesarean Delivery, and Maternal Transfusion

(502) The incidence and timing of abnormal ultrasound findings in monochorionic-diamniotic twin pregnancies

(503) Examining racial differences in substance use and HCV among birthing women in a midwestern prison

(504) Prenatal cavum septi pellucidi width and short-term developmental outcome

(505) Use of non-invasive cardiac monitoring to guide discontinuation of postpartum magnesium sulfate in severe preeclampsia.

(506) Impact of fetal biparietal diameter greater than 10 centimeters on mode of delivery

(507) Fetal abdominal adiposity score and the prediction of large for gestational age infants

(508) Assessment of stillbirth rates during the different waves of the COVID pandemic

(509) Racial Differences in Distribution of Number of Prenatal Visits: Analysis of US Natality Data

(510) Impact of provider relationship and trust on COVID-19 vaccination in pregnant and lactating individuals

(511) Substance use disorders and the impact on severe maternal morbidity among inpatient pregnancy hospitalizations

(512) Substance use disorders and psychiatric comorbidities: evaluating the association across various phenotypes

(513) Comparison of a Noninvasive Cardiac Output Monitor (NICOM) with Simultaneous Transthoracic Echocardiography in Pregnant Women

(514) Role of placental growth factor and placental T2* in predictive models of adverse pregnancy outcomes

(515) Longitudinal Multistate Analysis: Influence of Gestational Diabetes on the Transition to Prediabetes among NYC Adolescents

(516) Evaluation of allergic reactions from different monoclonal antibodies used for COVID-19 in pregnancy

(517) Identifying antepartum patients at risk for developing allergic reactions from COVID-19 monoclonal antibody therapy.

(519) "It feels like you have to choose one or the other": Periviability counseling focus groups

(520) The impact of socioeconomic factors on Cerclage efficacy.

(521) Acceptability of a smartphone application with prenatal care at a federally qualified health center

(522) Differences in GDM outcomes based on first-line treatment with oral agents versus insulin

(523) Early and late onset superimposed preeclampsia and adverse maternal outcomes.

(524) Clark Algorithm for the Evaluation of NTSV Cesarean Deliveries for the Indication of NRFHT

(525) Reusable 3D Printed Model for Prenatal Ultrasound-Guided Needle Procedures

(526) Multidisciplinary Committee's Impact on Prenatal Whole Exome Sequencing Variant Interpretation

(527) Social Needs Screening and Perceived Stress Scale Scores in a Pregnant Cohort

(528) Association between Foley balloon for cervical ripening and chorioamnionitis among patients with GBS colonization

(531) Racial disparities in birth satisfaction among nulliparous women

(532) Gender Differences in Obstetrics NIH Funding

(533) Racial disparities in receipt of COVID19 vaccination during pregnancy

(534) COVID Pandemic Effect on Prenatal Care Utilization in Women with OUD

(535) Obstetric outcomes of gestational weight gain outside of IOM guidelines

(536) Predictors of Pregnancy Duration Among Women Undergoing Exam-Indicated Cerclage: A Survival Analysis Approach

(537) Misoprostol with Balloon Compared to Oxytocin with Balloon in High-Risk Pregnancy: A Randomized Controlled Trial

(539) Postpartum Maternal Sepsis and Septic Shock Readmissions: Trends and Associated Risk Factors

(540) Perinatal outcomes in pregnancies complicated by face and brow presentations at term

(541) Mode of delivery in triplet pregnancies, a retrospective cohort study over 20 years

(542) Role of individual provider in success of external cephalic version

(543) Fetal chromosomal abnormality and risk to pregnancy

(544) Mixed Method Approach to Understanding Participation Barriers in a Perinatal Depression Group Telehealth Intervention Trial

(545) Trends in newborn hospitalization transfers for hypoplastic left heart and transposition of the great arteries

(546) Clinician-identified barriers and potential solutions to diabetes prevention after gestational diabetes

(547) Impact of Aspirin 162mg on the Prevention of Superimposed Preeclampsia in Women with Chronic Hypertension

(549) Machine Learning of Umbilical Artery Doppler Flow Improves Prognostication in Fetal Growth Restriction

(550) Mean arterial pressure and neonatal outcomes in pregnancies complicated by mild chronic hypertension

(551) Risk of recurrent preeclampsia (PRE) in a consecutive pregnancy cohort

(552) Accelerated epigenetic clock aging in peripheral blood is associated with obstetric metabolic syndrome-related outcomes

(553) Oral probiotic Limosilactobacillus reuteri alters maternal and infant microbiomes in a randomized placebo-controlled clinical trial

(554) Amniotic fluid oligosaccharide sialylation and molecular complexity decrease with gestational age with implications for infection

(555) The utility of sFlt-1/PlGF in differentiating between chronic hypertension and superimposed preeclampsia

(556) Yield of RASopathy gene panel in fetuses with isolated and non-isolated increased nuchal translucency

(557) The prognosis of unchanged cervical dilation in active labor during labor induction

(558) Epigenetic modifiers are altered with increased levels of polycyclic aromatic hydrocarbons (PAHs)

(559) Synthetic PreImplantation Factor plus hypothermia treatment reverses perinatal hypoxic-ischemic encephalopathy in rats

(560) Mechanisms of Childhood Obesity: Programmed Hyperphagia and Increased Milk Caloric Content

(561) Selective Fetal Growth Restriction Type IIa vs. IIb Subclassification System Applied to Twin-Twin Transfusion Syndrome

(562) Short interpregnancy interval following a multifetal pregnancy: maternal and neonatal outcomes.

(563) Maternal and neonatal outcomes following a second trimester dilation and curettage

(564) Hemostatic agents use during cesarean delivery and the risk for uterine rupture during subsequent TOLAC

(565) Increased maternal inflammation after SARS-CoV-2 reduces responsiveness to a novel perinatal mental health program

(566) Fully quantitative numeric cervical elastography outperforms cervical length for PTB prediction in asymptomatic patients

(567) Novel fully quantitative cervical elastography detects early cervical remodeling patterns in term and preterm birth

(568) Lysosomal storage disorders in cases of NIHF diagnosed by exome sequencing

(569) Healthcare burden associated with postpartum hemorrhage after cesarean delivery: a contemporary cohort

(570) Association of BMI and success of Trial of Labor After Cesarean: Systematic Review and Meta-Analysis

(571) RNA profiles reveal patterns of circadian rhythm in pregnancy

(572) Concerning trends in US pregnancies complicated by sexually transmitted infections during the COVID-19 pandemic

(573) Integrating a comorbidity-based screening tool with social vulnerability to predict severe maternal morbidity

(574) Factors associated with appropriate administration of magnesium sulfate for neuroprotection prior to early preterm birth

(575) Predicted survival of extremely premature neonates: differences in estimates at counseling versus delivery

(576) Biases in the management of postpartum pain: a qualitative analysis of clinicians’ perspectives

(577) Association Between Placental Syndrome and 2-year Neurodevelopmental Outcome in Patients with Primary Maternal CMV Infection

(578) Racial and Ethnic Disparities in Severe Maternal Morbidity During Delivery Hospitalization in Northeast Pennsylvania

(580) Risk of Uterine Rupture among Women in a Trial of Labor after Prior Cesarean Delivery

(581) Prenatal maternal hyperemesis gravidarum and long-term neurological morbidity of the offspring: a population-based cohort study

(582) A Composite Score for Predicting Vertical Transmission of Hepatitis C: A Multicenter Study

(583) Methods of confounder selection in recent obstetrics and gynecology studies: A review

(584) Does a third trimester short cervix or change in cervical length predict preterm delivery?

(585) Risk for Stillbirth Following Maternal COVID-19 in Otherwise Low Risk Pregnancies

(586) Umbilical artery Doppler abnormalities in fetal growth restriction defined by isolated lagging abdominal circumference

(587) Placental analyte profiles in nulliparous women with AHA stage 1 hypertension

(588) Third trimester fetoscopic laser ablation therapy for type II vasa previa

(589) Differences between Myelomeningocele and Myeloschisis Lesions in Patients undergoing Open In-Utero Spina Bifida Repair

(590) Long-acting insulin versus neutral protamine hagedorn on diabetes of pregnancy outcomes: a meta-analysis of RCTs

(591) A Core Outcome Set for studies on Vasa Previa (COVasP): an international consensus study

(592) Issues that Influence Health During Pregnancy and the Postpartum Period: An International Concept Mapping Study

(593) Comparison of SGA and Severe SGA rates using five growth standards. is there a difference?

(595) Outcomes of immediate subsequent pregnancy following previable preterm premature rupture of membranes

(596) Implementation of Enhanced Recovery after Cesarean Section reduces surgical site infection

(597) Widespread Adoption of AI Risk Models for Maternal Hemorrhage Requires Mitigation of Bias

(598) Does antihypertensive therapy during pregnancy increase postpartum medication adherence for women with mild chronic hypertension?

(599) Utility of Cervical Length Measurement within 24 hours Post Transvaginal Cervical Cerclage Placement

(600) Multivariable prediction model for red blood cell transfusion associated with cesarean delivery

(601) Blood-based clinical biomarkers of nutrition and inflammation and preterm birth (PTB) risk

(602) The Impact of Continuous versus Traditional Glucose Monitoring on Prenatal Care for Pregnant Diabetic Patients

(603) Toxic metal contamination of home tap water supply during pregnancy

(604) Does self-identified race and ethnicity affect rates of child protective services (CPS) referrals following delivery?

(605) Labour roulette: Probability of achieving spontaneous onset of labour in low risk nulliparous pregnancies

(606) Association between initial prenatal blood pressure and development of hypertensive disorders

(607) Cardiac disease and risk of hypertensive disorders of pregnancy

(608) Stratification of body mass indices over 40 and length of stay during labor

(609) Prediction of progression to preeclampsia with severe features in parturients with hypertensive disease of pregnancy

(610) Maternal exposure to benzo[a]pyrene, a harmful PAH pollutant, is associated with altered microbial metabolite pathways

(611) Allergic Maternal Inflammation in Rats Programs Offspring Oxytocin and Vasopressin Innervation in Social Brain Regions.

(612) Amniotic fluid biomarkers of fetal stress response to cardiac dysfunction in twin-twin transfusion syndrome

(613) Impacts of tocolytics on maternal and neonatal glucose levels in women with gestational diabetes mellitus

(614) Placental histology of term and preterm birth in a prospectively collected community sample

(615) Index pregnancy placental histology and response to progesterone supplementation for prevention of recurrent preterm birth

(616) Dietary risk factors for hypertensive disorders of pregnancy

(617) The impact of epidural analgesia on third stage of labor disorders

(618) The Implementation of the Self-Determination Theory (SDT) in the Prediction of a Successful TOLAC

(619) Pregnancy complication and birth outcomes before and after maternal bariatric surgery

(620) Obstetric provider preferences for cesarean delivery on maternal request: a systematic review of the literature

(622) What is the implication of a HbBA1C ≥5.7% in patients with gestational diabetes?

(624) Predicting severe maternal morbidity at admission for delivery using intelligible machine learning

(625) Effectiveness of the antihypertensive therapy based on the hemodynamic findings in women with Hypertensive Disorders

(626) Rates of Preeclampsia in Subsequent Pregnancies by Race/Ethnicity

(627) Treating Mild Chronic Hypertension during Pregnancy: A Cost-Effectiveness Analysis of the CHAP Trial

(628) Risk Factors for Extended ICU stays in the setting of Postpartum Hemorrhage

(629) Rates of Preeclampsia in Subsequent Pregnancies by BMI

(630) Social vulnerability and adverse outcomes in patients with gestational and pregestational diabetes

(631) Trends in lipid values among obese women in pregnancy

(633) HIV viral suppression in sequential pregnancies with and without changing antiretroviral therapy class

(634) Lactate levels increase significantly in the second stage of spontaneous and induced labor

(635) High rates of HIV PrEP prescriptions after standardized counseling of high-risk pregnant patients

(636) Adverse perinatal outcomes among Black and Hispanic women with physical disabilities

(637) Donor-Derived Cell Free DNA (dd-cfDNA) in Pregnant Kidney Transplant Recipients

(638) Anxiety and perinatal mood disorders in patients with and without a history of preterm birth

(639) Placental Abruption: Rick of recurrence in subsequent pregnancies

(640) O-GlcNAc transferase contributes to sex-specific placental deregulation in gestational diabetes

(641) The trend in incidence of cystic fibrosis and severe maternal morbidity during delivery admissions

(642) Epilepsy in pregnancy – patient safety challenges in contemporary practice.

(643) Association between partner status and postpartum depression among collaborative care perinatal mental health program participants

(644) The effect of isolated fetal head circumference < 10% on neonatal outcomes

(645) De-implementing Intrapartum Maternal Vitals Monitoring to Reduce Alarm Fatigue: An L&D Quality and Safety Initiative

(646) Implementation of an Obstetric Co-Morbidity Scoring System during Delivery Admissions to Reduce Maternal Morbidity

(647) Maternal and Neonatal Outcomes of Covid-19 Re-infection in Pregnancy: A National Observational Study in Israel

(648) Risk Factors and Clinical Significance of Skin Dehiscence at Birth after in-utero Spina Bifida Closure

(649) Extreme, Moderate, Late, and Overall Preterm Birth by Maternal Race, Ethnicity and Nativity in US

(650) Maternal pulse pressure before labor epidural and risk of severe maternal hypotension after epidural

(651) Do significant adverse reactions to labor epidural anesthesia affect interval to delivery?

(652) Risk factors for postpartum psychosis readmissions after delivery hospitalizations

(653) Elective Induction of Labor Following Prior Cesarean Delivery

(654) GBS Colonization and Risk of Infection with Foley Catheter Inductions

(655) Transfusion-reducing techniques decrease perioperative morbidity of Cesarean hysterectomy for placenta accreta spectrum

(656) Rising Trends in Perinatal Morbidity Following Trial of Labor after Cesarean Delivery: Population-Based Study

(657) Physician recommendations for physical activity in complicated growth restricted pregnancies

(658) Closed- or open-glottis pushing for vaginal delivery: a planned secondary analysis of the TRAAP study.

(659) Timing of delivery of third cesarean delivery

(660) Infectious morbidity among Group B Streptococcus carriers undergoing cervical ripening with transcervical Foley catheter

(661) Maternal and pregnancy outcomes following heart transplantation in the United States

(662) Patient Race and Experience of Control over Labor

(663) Hypoglycemic medication adherence in women with gestational diabetes mellitus

(664) The association of maternal obesity and fourth-degree perineal laceration at time of vaginal delivery

(665) Oxytocin before versus after placenta delivery for postpartum hemorrhage prevention: meta-analysis of randomized controlled trials

(666) Maternal body mass index, maneuvers, and neonatal morbidity associated with shoulder dystocia

(667) Evaluating maternal quality of life following a periviable delivery

(668) Trends in and outcomes associated with obstructive sleep apnea during deliveries in the U.S.

(669) Utility of the Edinburgh Postnatal Depression Scale for Identifying Prenatal Psychological Distress in Black Women

(670) Understanding patient experience following unplanned operative delivery

(671) Risk of recurrent preterm birth following spontaneous immature and extreme preterm birth in the Netherlands

(672) Factors contributing to delay in family building among sexual/gender minority people in the COVID-19 pandemic

(673) Risk Factors for Obstetrical Hemorrhage Among Nulliparous, Term, Singleton, Vertex Pregnancies

(674) Comparison of pregnancy latency in preterm preeclampsia with oral labetalol versus extended-release nifedipine

(675) Prediction of term hypertensive disorders of pregnancy utilizing anthropometric measurements of central adiposity versus BMI

(676) Racial disparities in breastfeeding rates in postpartum patients with heart disease

(677) Atypical Hemolytic Uremic Syndrome and pregnancy outcomes: a cohort study

(678) Timing of Maternal Serum Alpha Fetoprotein Testing in Pregnancy and Association With Adverse Perinatal Outcomes

(679) American Heart Association (AHA) Stage 1 Hypertension and Perinatal Outcomes by Gestational Age at Delivery

(680) Comorbidity Score for the Prediction of Severe Maternal Morbidity in a High-Risk Population

(681) Fetuses with increased nuchal translucency before 11 weeks are at risk of abnormal pregnancy outcome

(683) Evaluating the relationship between early glucose tolerance test screening and adverse neonatal and maternal outcomes

(684) Bayesian post-hoc analysis of cerclage retention versus removal in preterm prelabor rupture of the membranes

(685) Wild type through Omicron: Obstetric outcomes across COVID-19 waves

(686) Cognitive and developmental outcomes in neonates surviving fetomaternal hemorrhage in a large integrated healthcare system

(687) Universal testing for latent tuberculosis in pregnancy: an evaluation of current performance and cost-effectiveness analysis

(688) Thematic analysis of qualitative interviews looking at Black birthing patient perspectives on police violence

(689) The effect of pregnant serum, cord blood serum and hCG on Jurkat T-cell IL-2 secretion

(690) Blood Salvage at the Time of Vaginal Delivery in Patients at High Risk for Hemorrhage

(691) Validation of a Grief Questionnaire for Reproductive Loss

(692) Impact of Social Vulnerability Index (SVI) on Nulliparous Term Singleton Vertex (NTSV) Cesarean Delivery Rate

(693) Social Vulnerability Index (SVI) and Comorbidity Burden among Pregnant Patients with Pregestational Diabetes

(694) Very low birthweight (VLBW) twins: an analysis of survival and major morbidities

(695) Factors associated with perinatal mortality in twin pregnancies

(696) Association between prenatal depression and new cardiovascular disease within 24 months’ postpartum

(697) Longitudinal Placental Perfusion in Normal and Hypertensive Pregnancies using pseudo-Continuous Arterial Spin Labeled MRI

(698) Impact of psychosocial collaboration on parental psychological distress in the setting of Congenital Diaphragmatic Hernia

(699) A randomized trial of the impact of postpartum ibuprofen on severe hypertensive disorders of pregnancy

(700) Rates of venous thromboembolism in pregnant patients with active malignancy: A systematic review.

(701) Antenatal Anxiety as a Predictor for Postpartum Depression

(702) Differences in myocardial oxygen consumption between low-risk pregnancies and pregnancies with hypertensive disorders of pregnancy

(703) Comparison of Change in BMI vs Gestational Weight Gain on Maternal and Neonatal Outcomes

(704) Young Birthing Age and Postpartum Outcomes

(705) COVID-19 vaccination during pregnancy – short- and long-term outcomes of a prospective cohort study.

(706) Cell-free fetal DNA impairs trophoblast migration in a TLR9-dependent manner and is reversed by hydroxychloroquine

(707) Fetal Doppler role in predicting non-reassuring fetal heart tracing in patients undergoing induction of labor

(708) The impact of advanced maternal age on neonatal outcome in preterm births

(709) Shorter maternal leukocyte telomere length following cesarean birth: Implications for future research

(710) Impact of psychiatric conditions on the risk of severe maternal morbidity in Veterans

(711) Offspring neurobehavioral phenotype following maternal exercise versus sedentary behavior

(712) Comparison of Oral Iron Replacement Formulations for Anemia in Pregnancies with Non-severe Hemoglobinopathies

(713) The neuroprotective effect of maternal N-acetylcysteine supplementation during lactation period, on maternal-obese offsprings' cognitive function

(714) Timing of delivery in pregnancies complicated by congenital diaphragmatic hernia

(715) Is second stage of labor duration associated with adverse outcomes among forceps assisted vaginal deliveries?

(716) Sonographic estimated fetal weight and rates of OASIS among patients undergoing forceps assisted vaginal delivery

(717) Effects of pregnancy and electroacupuncture on pancreatic beta cell mass in rats with diet-induced obesity

(718) Artificial Intelligence for Fetal Sex Determination

(719) Serial urine cultures to assess for Group B Strep in pregnancy

(720) Mapping Gestational Diabetes in the Louisville Metro Area

(721) Optimising Teenage Pregnancy in Contemporary Practice – Declining Incidence with Excellent Outcomes

(722) Admission cardiotocography in low-risk pregnancies and neonatal outcomes, the significance of undetected small-for-gestational age fetuses

(723) Does excess gestational weight gain increase the risk for neonatal hypoglycemia?

(724) Preterm delivery rate and latency period in asymptomatic patients undergoing cerclage for very short cervix

(725) Elective induction of labor versus expectant management after one prior cesarean delivery

(726) Fertility treatments in twins pregnancy: Does it increase the risk for future childhood malignancy?

(727) Three-Tiered Fetal Heart Rate Interpretation System and Adverse Outcomes: A Systematic Review and Meta-Analysis

(728) Obstetrical Outcomes in Patients with Aortopathies Compared to Those with Repaired Tetralogy of Fallot

(729) Perinatal Outcomes in Patients with Biopsy Confirmed Sarcoidosis

(730) Termination of Pregnancy for Major Congenital Heart Disease: The Impact of Constitutional Change in Ireland

(731) Outcomes of a Second External Cephalic Version for Management of Malpresentation

(732) Occipital nerve block versus acetaminophen/caffeine for headache treatment in pregnancy: a randomized trial

(733) Vaginal versus abdominal cerclage for prevention of recurrent preterm birth following prior failed vaginal cerclage

(734) Evaluation of a cesarean surgical site infection (SSI) prevention protocol on SSI and neonatal hypoglycemia

(735) The association between TOLAC in obese women and adverse maternal outcomes

(736) Effect of Introduction of a Visual Alarm on Noise Levels in Cesarean Delivery Operating Rooms

(737) The Effects of Timing on Cesarean Delivery Outcomes and Operative Noise Levels

(738) COVID-19 in Pregnancy: Different Variants, Different Results

(739) The Effect of Multiple Doses of Misoprostol for Missed Abortion Treatment on Subsequent Pregnancy Outcome

(740) Optimizing Labor Induction Methods for Maternal Indications

(741) Total deceleration area as a predictor of neonatal acidemia in vacuum extraction deliveries

(742) Neonatal birthweight thresholds for cephalopelvic disproportion among short and normal stature women

(743) Intra-uterine growth restriction and long-term cardiovascular morbidity of offspring in dichorionic diamniotic twin pregnancies

(744) The effect of shear stress on the expression of apelin in trophoblast using microfluidic system

(745) Perinatal Outcomes Associated with Continuous Glucose Monitor Use in Type 2 Diabetes Mellitus

(746) Obstetrical mode of delivery and asthma in childhood and adolescence: findings from Millennium Cohort Study

(747) Maternal-perinatal outcomes based on appropriateness and timing of surgery in code red caesarean section

(748) Maternal Depression and its Effect on Spontaneous and Indicated Preterm Births within the nuMoM2b Cohort

(749) Trends in postpartum stroke and risk for associated adverse outcomes

(750) Gestational diabetes mellitus- can we do better with postpartum diabetes screening?

(751) One vs. two courses of antenatal corticosteroids: A secondary analysis of the MACS trial

(753) Abortion restriction impact on burden of neonatal single ventricle congenital heart disease: a decision-analytic model

(754) The association of anxiety and insomnia on blood pressure parameters in pregnancy: a pilot study

(755) Self-reported greenspace exposure and perceived stress in a Black pregnancy cohort

(757) β-hCG elevation rate in early IVF pregnancies and obstetrical complications

(758) SARS-CoV-2 infection during pregnancy and risk of hypertensive disorders of pregnancy and preterm birth

(759) Impact of antenatal corticosteroid therapy on sickle cell disease in pregnant women

(760) High rates of venous thromboembolism among deliveries complicated by cancer

(761) Breastfeeding initiation among people with hepatitis C during pregnancy: associated factors and offspring outcomes

(762) Association of obesity with outcomes of attempted operative vaginal delivery

(763) Association between Group B Streptococcus positivity and maternal infectious morbidity

(764) Implementation of an Obstetric Enhanced Recovery After Surgery Protocol: Impact on Perioperative Pain Management Practices

(765) Comparison of risk stratification models for prediction of transfusion following cesarean delivery

(766) Differences in severe maternal morbidity and comorbidity indices in two North Carolina health systems

(767) Gestational Weight Gain and Preeclampsia with Severe Features in Patients With Super Morbid Obesity.

(768) Outcomes in Women with Body Mass Index 60 kg/m2: Planned Cesarean Versus Attempted Vaginal Delivery

(769) Financial incentives for smoking cessation during pregnancy and postpartum: a cost-effectiveness analysis

(770) Antihypertensive therapy and placental vascular insults in pregnant individuals with mild chronic hypertension

(771) The effects of cerclage in twin pregnancies according to cervical length: a multicenter retrospective study

(772) Presence of left renal vein stenosis in the development of hypertensive disorders of pregnancy

(773) Adverse pregnancy outcomes and the development of short-term maternal cardiovascular disease risk factors

(774) Increasing postpartum hemorrhage checklist use: A quality improvement initiative

(776) Neonatal morbidity and mortality associated with gestational weight gain in women with polycystic ovarian syndrome

(777) Effect of pannus elevation device on postoperative pain by cesarean number, timing, and gestational age

(778) Interpregnancy interval in multiparas: does it impact the labor curve?

(779) Perspectives on clinicians’ roles and postpartum pain management: A qualitative analysis

(780) Enlarged cavum septum pellucidum and small thymus as markers for 22q11.2 deletion syndrome

(781) Trends in Underrepresented Minorities in Maternal Fetal Medicine Fellowship

(782) Panniculus retractor use during scheduled cesarean section: Potential neonatal impact

(783) Placental basal plate myofibers and risk of hypertensive disorders of pregnancy

(785) Prenatal care disparity and pregnancy outcome among incarcerated pregnant individuals in the United States

(786) Impact of COVID-19 Precautions on the Prevalence of Gestational Diabetes Among Women Unaffected by COVID-19

(787) Continuous Glucose Monitoring Use among Female Individuals of Reproductive Age with Type I Diabetes

(788) Racial-ethnic differences between pregnancy dysglycemia and cardiometabolic outcomes 10-14 years’ postpartum in the HAPO Study

(789) Association of Large-for-gestational-age Birth with Childhood Adiposity at 10-14 Years’ in the HAPO Follow-up Study

(791) Decision-Making Regarding COVID-19 Vaccine Administration Among Birthing People in the Peripartum Period

(792) Use of Cell Salvage at time of Cesarean Section: A Systematic Review and Meta-analysis

(793) Fetal growth restriction: Does dating by ultrasound versus last menstrual period change the antepartum diagnosis?

(795) Maternal and neonatal outcomes of pregnancies complicated by intrapartum SARS-CoV-2 infection across three COVID waves

(796) Contraction inhibitory effect of micro-electrical stimulation in human uterine muscle tissue

(797) The disappearing act: diminishing Y chromosome cfDNA contribution in vanished twin pregnancies

(798) A multi-state analysis of preterm birth trends by COVID-19 vaccination status in the United States

(799) Microbes common in a Lactobacillus-deplete microbiota are negatively correlated with lipid metabolite abundance in pregnancy

(800) The value of detailed first trimester ultrasound in the era of non-invasive prenatal testing

(801) Preterm Preeclampsia and Thromboembolism Risk in Pregnant and Postpartum Patients

(802) Association between acceptance of routine pregnancy vaccinations and COVID-19 vaccine uptake

(803) Postpartum patient reported outcome measure (PROM); a systematic review and evaluation of measurement properties.

(804) Adverse maternal outcomes of patients with preeclampsia complicated by fetal growth restriction.

(805) The association of group prenatal care and inflammation among pregnant individuals reporting high stress

(806) Neighborhood deprivation and preeclampsia or eclampsia in high-risk pregnancy

(807) Postpartum perception of cardiovascular risk and risk modification in patients with hypertensive disorders of pregnancy

(808) Frequency of preeclampsia spectrum disorders by diabetes subgroup

(809) Beta lactam allergies in a large obstetric population: developing an allergy testing referral system

(810) Cost-effectiveness of history indicated cerclage compared to cervical length screening in patients with cervical insufficiency.

(811) Neonatal outcomes of placental abruption by race/ethnicity

(812) Therapeutic inertia in blood glucose management for gestational diabetes

(813) Risk factors for delayed gestational diabetes mellitus screening

(814) Risk of Postpartum Readmission: A Comparison between Stillbirths and Live Births

(815) Abnormal neurodevelopment in CDH survivors is not dependent on severity or fetal surgery

(816) Genetic counseling practices among outpatient obstetric providers

(817) Impact of Telehealth on Improving Access to Pregnancy Care in an Underserved Population

(818) Is there a difference in pain perception after cesarean delivery among women with endometriosis?

(820) Elective Induction of Trial of Labor after Cesarean at 39 weeks: Is it Risk Reducing?

(821) Risk factors associated with postpartum readmission in women with mild chronic hypertension

(822) Maternal and cord blood inflammatory responses to SARS-CoV-2 infection with and without vaccination

(823) Intrauterine pressure catheter use and risk of placental abruption and postpartum hemorrhage

(824) Perinatal outcomes in pregnancies complicated by compound presentation at term

(825) Quantitative MRI in placentas of pregnancies complicated by hypertensive disorders and fetal growth restriction

(826) Telehealth since the COVID-19 Pandemic: Can it Improve Prenatal Care and Birth Outcomes?

(827) Meta-analysis on the effect of internal-iliac artery balloon occlusion in placenta accreta spectrum and previa

(828) COVID-19 related changes in perinatal health care delivery and outcomes among pregnant individuals and newborns

(830) Pregnancy complications in patients with ventriculoperitoneal (VP) shunts

(831) Discordant or abnormal nuchal translucency in patients with TTTS requiring laser

(832) Pregnancy outcomes in patients with SARS-CoV-2 infection prior to delivery

(833) Effect of preexisting infection-induced immunity on neonatal and maternal outcomes of SARS-CoV-2 infection in pregnancy

(834) Natural Language Processing of Admission Notes to Predict Postpartum Hemorrhage

(835) Increased hemorrhage risk in patients with mild thrombocytopenia at delivery admission

(837) Uterine fibroids and severe maternal morbidity

(838) Is placenta accreta spectrum inversely associated with hypertensive disorders of pregnancy?

(839) Clinical implications of first trimester crown-rump length discordance in dichorionic twin gestations

(840) HELLP syndrome at less than 23 weeks gestation: a systematic literature review

(841) Impact of restricted access to abortion services on prenatal diagnostic genetic testing in Texas

(842) The impact of the COVID-19 pandemic on the rate of participants with insufficient prenatal care

(843) Digital versus speculum-guided catheter balloon insertion for cervical ripening in multiparas: A randomized controlled trial

(844) The relationship of suPAR levels and hypertensive disorders of pregnancy

(845) Adverse perinatal outcome and veno-arterial differences in umbilical cord pH at birth: a population-based study

(846) Furosemide to lower antenatal severe hypertension (FLASH): a randomized placebo-controlled trial

(847) Evaluation of renewed emphasis on carrier screening at an outpatient obstetrics practice

(848) Putting the “F”etus Back in Maternal-Fetal Telemedicine: A Prospective Pilot Study

(850) Risk of Stillbirth in US Patients with Diagnosed Intrahepatic Cholestasis of Pregnancy

(851) Trial of labor after failed vacuum assisted delivery – maternal and neonatal outcomes

(852) First-trimester Allostatic Load Varies by Self-identified Race/Ethnicity and HDP

(853) Salivary oxytocin concentration correlates with plasma oxytocin concentration in patients undergoing induction of labor

(854) Inclusive OBGYN journals have greater metrics of research influence compared to non-inclusive journals

(855) The optimal timing for membranes rupture during twin labor

(858) Sickle cell disease is associated with increased severe maternal morbidity risk in the postpartum period

(859) Weaning Buprenorphine in Pregnant Patients