Pregnancy and Lactation

(237) A Landscape Analysis of Post-Marketing Studies Registered in EU PAS Register and Clinicaltrials.gov Focusing on Pregnancy Outcomes or Breastfeeding Effects: A Contribution from The ConcePTION Project

(F) ADHD Medication Use Trajectories Among Pregnant Women with ADHD in Norway and Sweden

(E) Antidepressant Continuation and Adherence in Pregnancy and Risk of Antenatal Hospital Admission for Depression and/or Anxiety

(248) Adverse Birth Outcomes Associated with Drug Use in Pregnancy at a Referral Teaching Hospital in Kenya

(247) Adverse Fetal Outcomes Associated with Gabapentin Use in Pregnancy: A Population-Based Cohort Study and Meta-Analysis

(243) Antidepressant Use Patterns During Pregnancy and Birth Outcomes Among Pre-Conception Antidepressant Users

(199) Association Between Antidepressant Use Patterns on The Long-Term Trajectories of Depressive and Anxiety Symptoms and Health-Related Quality of Life

(197) Association Between Morning Sickness and Having a Girl – Myth or Fact?

(212) Associations Between Late-Onset Preeclampsia and The Use of Calcium-Based Antacids and Proton Pump Inhibitors During Pregnancy: A Prospective Cohort Study

(228) Characteristics of Linked and Unlinked Mother-Infant in The Healthcore Integrated Research Database

(234) Characteristics of Women with COVID-19 During Pregnancy in a US Health Insurance Claims Database

(245) Characterization of Pregnancy Data Reported by Health Care Professionals Versus Patients in International Case Safety Reports – A ConcePTION Study

(240) Congenital Malformations Among Offspring of Women with Type 1 Diabetes Using Insulin Pump: A Prospective Cohort Study

(233) COVID-19 Disease and Medications in Pregnancy: Pooled Analysis of International Network of Obstetric Survey Systems (INOSS) Population-Based Studies

(214) Decisional Conflicts About Antidepressant Treatment in Pregnant Women in Norway

(210) Demographic Representativeness of Participants in Pregnancy Registries

(230) Design Considerations for Using the Tree-Based Scan Statistic in Surveillance of Maternal Outcomes Following Medication Use During Pregnancy

(235) Dilemma of Belimumab Therapy (Dis)Continuation During Pregnancy: Results of a Retrospective Study in EudraVigilance

(231) Distribution of Gestational Age by Maternal and Infant Characteristics in US Birth Certificate Data: Toward Informing Gestational Age Assumptions When Clinical Estimates Are Not Available

(218) Drug Utilization Among Hospitalized Pregnant Women with Severe COVID-19 Disease and Assessment of The Safety Profile

(AE) Application of Claims‑Based Algorithms to Ascertain Gestational Age Among Multiple Pregnancy Outcomes

(AD) Association of Maternal Levothyroxine Use During Pregnancy with Offspring Birth and Neurodevelopmental Outcomes

(Z) COVID-19 Infection and Medication Use in Pregnancy (CONSIGN) – A Multinational Drug Utilisation Study Using Linked Healthcare Data

(AA) Emulation of a Target Trial of Metformin in Pregnancy in Women with Pre-Gestational Type 2 Diabetes Mellitus

(AC) Intrauterine Exposure to SSRI Antidepressants and Risk of Emotional Disorder till Age 22: A Danish National Register Study

(AB) National Trends and Utilization Patterns of Benzodiazepines and Z-Hypnotics Among 2,883,162 Pregnant Women in Taiwan: An Interrupted Time Series Analysis

(209) Evaluating Awareness of Pregnancy Exposure Registries Among Women

(216) Evaluating Awareness, Knowledge and Practice of Healthcare Professionals Following Implementation of a Revised Pregnancy Prevention Programme for Isotretinoin in Ireland: A Multi-Stakeholder Cross-Sectional Study

(219) Exposure to Non-Insulin 2nd-Line Antidiabetic Medications in Early Pregnancy and Risk of Major Congenital Malformations

(198) Extracting Pregnancies from Heterogeneous Data Sources in Europe: A Novel Algorithm in The Conception Project

(201) Frequent Drug Exposures During Pregnancy: A Population-Based Cohort Study with SIDIAP Database

(220) Identification of Pregnancies and Their Outcomes in Healthcare Claims Data, 2008-2019: An Algorithm

(222) Identification of Preterm Birth in An Administrative Claims Database Using Maternal Claims, Infant Claims, and Gestational Age

(229) Impact of COVID-19 on Obstetric and Gynecologic Healthcare Utilization in a Large US Claims Database

(250) Impact of COVID-19 on Pregnancy Complications & Outcomes in The Healthcore Integrated Research Database

(242) Levothyroxine Use and The Risk of Pregnancy Loss Among Pregnant Women with Subclinical Hypothyroidism: An Observational Study Emulating a Target Trial

(221) Linking Male Parents to Pregnancies and Infants in a Health Insurance Claims Database

(239) Maternal and Infant Morbidity in Relation to Caesarean Section in a Large Commercially Insured Population in The US in 2019 and 2020

(225) Medication Use Among Lactating Persons: An Electronic Health Record (EHR)-Based Approach

(217) Most Common Diagnoses During Pregnancy in a Commercially Insured Population of Women

(208) Neonatal and Maternal Adverse Outcomes Following Use of Buprenorphine and Methadone for Treatment of Opioid Use Disorder in Pregnancy

(244) Neonatal and Maternal Outcomes Following Exposure to Non-Steroidal Anti-Inflammatory Drugs During Early Pregnancy: A Nationwide Cohort Study

(200) Postpartum Episode of Eating, Mood, or Anxiety Disorder in Women with Eating Disorders Who Continue or Discontinue Antidepressant Treatment in Pregnancy

(215) Prenatal Exposure to Antidepressants and Risk of Overweight and Obesity in Offspring at Age 8 Years

(223) Prenatal Opioid Exposure and Well-Child Care in The First 2 Years of Life - A Population-Based Cohort Study

(207) Prescription of Asthma-Control Medications Dispensed During Pregnancy in Belgium: The Trends Between 2003 and 2018 Using a Medico-Administrative Database

(241) Proton Pump Inhibitors Use and Risk of Preeclampsia: A Meta-Analysis of Pharmacoepidemiological Studies

(205) Proton Pump Inhibitors Use During Pregnancy and Risk of Congenital Malformations: A Nationwide Cohort Study of 2.7 million Pregnancies

(203) Recording of Chronic Diseases and Adverse Obstetric Outcomes During Hospitalizations for a Delivery in The National Swiss Hospital Medical Statistics Dataset Between 2012 and 2018: An Observational Cross-Sectional Study

(236) Reported Congenital Malformations After Exposure to Non-TNF-Α Inhibitors: A Retrospective Comparative Study in EudraVigilance Database

(204) Risk of Gestational Hypertension in Women Treated with Serotonin and Norepinephrine Reuptake Inhibitors: A Comparative Study in The EFEMERIS Database

(196) Social Vulnerability and Initiation of Pharmacotherapy for Gestational Diabetes in a Medicaid Population

(202) Spontaneous Abortion and Drug Exposure. Case-Control Study with SIDIAP Database

(211) The Risk of SARS-CoV-2 Infection in Pregnant Women. An Observational Cohort Study Using BIFAP Database

(227) Treatment with Tumor Necrosis Factor Alpha Inhibitors During Pregnancy and Occurrence of Severe Infections Among Infants: A Descriptive Analysis Based on German Claims Data

(232) Trends in Antiemetic Medication Use in Pregnancy in An Integrated Health System in the US, 2010–2021

(206) Use of Antiepileptic Drugs During Pregnancy and Neonatal Birth Weight Outcomes: A Systematic Review and Meta-Analysis

(213) Use of Isotretinoin Among Girls and Women of Childbearing Age and Exposure During Pregnancy

(226) Use of Rivaroxaban During Pregnancy and Description of Pregnancy Outcomes

(249) Use of Selective Serotonin Reuptake Inhibitors During Pregnancy and The Risk of Child's Neurodevelopmental Disorders

(238) Uses of Antiepileptic Drugs Among Pregnant Women with Epilepsy and Risk of Adverse Obstetric Outcomes; a Group-Based Trajectory Analysis

(251) Utilization of Biologics Before, During and After Pregnancy Among Patients with Autoimmune Conditions

(246) Vaccination Use Among Pregnant Women 2016-2021: An Analysis Using Healthcare Claims

(224) Validity of Healthcare Administrative Data to Identify Infants with Low Birth Weight