Epidemiology

(101) Impact of treatment for prenatal depression on cardiovascular disease 24 months after delivery

(124) Prescription opioid exposure and risk of spontaneous preterm delivery

(125) Adverse Labor Events and Childhood Autism- Is There a Link?

(191) Intersectionality of individual- and neighborhood-level adverse social determinants of health in pregnancy

(201) Digital health utilization during pregnancy and the likelihood of preterm birth

(214) Newborn anthropometric alternations are associated with second-trimester exposure to low-levels air pollution

(221) Sex-specific placental histopathology effects on newborn cytokine-chemokine levels in a cohort with universal placental examination

(252) Prenatal styrene and ethylbenzene exposures are associated with decreased birth weight and head circumference

(268) Association between social vulnerability and severe maternal morbidity

(271) The effects of pregnancy conceived after fertility treatment on perinatal outcomes; a sibling analysis.

(280) Joint Effects of Epilepsy and Mental Health on Severe Maternal Morbidity

(326) Postpartum Complications and Delivery Costs Associated With Births at Term in the United States

(339) An Evolving Epidemic: Xylazine Incidence in Opioid-Positive Drug Screens in an Inpatient Pregnant Population

(348) Is insufficient prenatal protein consumption a risk for adverse pregnancy outcomes? A prospective multicenter study

(389) Congenital uterine anomalies and placenta accreta spectrum

(407) Development and validation of an early-pregnancy score predictive of stillbirths: an Italian population-based study

(414) County-level antenatal steroid exposure among late preterm births, 2016-2021

(420) CS in Single Cephalic Term Nulliparas: The Changing Size of Robson Group 1 and 2

(425) Effect of the COVID-19 pandemic on population-level mean arterial pressure during pregnancy and postpartum

(435) Characterizing Congenital Syphilis in California Between 2008-2019

(472) Association between adverse pregnancy outcomes and insulin resistance 2-7 years later

(482) Associations between antepartum anemia and uterine fibroids in pregnancy by race and ethnicity

(489) Do fetal biometry parameters> 90th percentile increase the risk of Primary Cesarean Delivery?

(533) Elevated 1st Trimester Environmental Temperatures May Underlie Development of Preeclampsia

(534) Comparison of Obstetrical Randomized Controlled Trials During and Peri-Pregnancy

(535) Comparison of Obstetrical Randomized Controlled Trials That Target Maternal or Fetal/Neonatal Benefit

(568) Association Between Maternal Care Deserts and Adverse Maternal Outcomes in Term Pregnancies Across US Counties

(570) Birth Morbidity and Readmissions in Autistic People and People With Intellectual and Developmental Disabilities

(645) Perinatal effects of maternal cannabis and nicotine co-use in pregnancy

(696) Trends in Antepartum Pyelonephritis Hospitalizations and Risk for Associated Sepsis and Severe Maternal Morbidity

(708) Trends in placenta previa by age, race/ethnicity, and pre-pregnancy body mass index

(720) Perinatal suicidality among high-risk individuals: evaluating trends to inform policy

(735) Mode of delivery does not impact cardiovascular morbidity in patients with prior cardiovascular disease

(739) Maternal fertility treatments and the risk for celiac disease of the offspring

(755) Increased prevalence of neural tube defects in industrial area in Northwestern Netherlands in 2020-2021.

(758) Increased Risk of Metabolic Syndrome Following Delivery of Abnormal Birthweight Babies

(763) Obstetric Care and Pregnancy Health among Autistic Individuals in an Integrated Healthcare Setting in California

(772) Hypertensive disorders of pregnancy and severe maternal morbidity according to race/ethnicity, California 2007-2018

(778) Obstetrical patient comorbidity according to hospital volume of delivery: a retrospective cohort study

(878) Intimate partner violence is associated with increased adverse perinatal outcomes

(886) Non-Criteria Obstetrics Antiphospholipid Syndrome is an independent risk factor for adverse pregnancy outcome

(891) Maternal risk factor clusters and risk of infant congenital heart disease and maternal morbidity

(934) Long-term childhood outcomes after pregnancy complicated by isolated polyhydramnios

(963) The Impact of Patient Experiences and Perceptions of Pregnancy Risk on Postpartum Follow Up Patterns

(975) Racial Trends in Severe Maternal Morbidity Among Parturients With Opioid use disorder in the U.S.

(1013) Preterm delivery and the risk for childhood celiac disease of the offspring

(1038) Population-based incidence of obstetric anal sphincter injuries and associated risk factors

(1042) Racial disparities in maternal transfusion in the United States by mode of delivery

(1050) Stillbirth as a risk factor for dementia: a prospective population-based UK Biobank study

(1057) Redefining birth weight centiles: Parity is more significant than gender

(1069) Risk of perinatal mortality associated with expectant management in patients who used nicotine products

(1125) Residential Proximity to Hydraulic Fracturing Wells Increased the Risk for Low Birth Weight

(1145) Postnatal growth trajectories of offspring exposed to maternal SARS-CoV-2 infection: a pandemic era cohort study

(1173) Three-dimensional fetal body composition and organ volume growth patterns in hypertensive disorders of pregnancy