Poster Session 4

(433) Risk Factors for Preterm Birth Among Individuals With Spinal Cord Injury: A Retrospective Cohort Analysis

(998) Iron deficiency without anemia in the first trimester: A missed opportunity to prevent anemia?

(999) Association between Preconception GLP-1 Use in Patients without Diabetes and Risk of Gestational Diabetes

(1000) Evaluating a Universal Low Dose Aspirin Strategy after 1 Year in a Large Health System

(1001) Clinical outcomes following unintended hysterotomy extension during second-stage labor cesarean

(1002) Knowledge Gaps in Cardiovascular Maternal Mortality: A Regional Survey of Frontline Providers

(1003) Transfusion Requirements by Acuity for Prenatally Suspected Placenta Accreta Spectrum

(1004) Maternal Morbidity in Cases of Cesarean Scar Ectopic Pregnancy Managed Expectantly

(1005) Evaluation of Protein Expression in Cases of Postpartum Hemorrhage of Varying Etiologies

(1006) Is Forewarned Forearmed? Pregnancy Outcomes in Early-Onset Fetal Growth Restriction

(1007) Provider Perspectives on Telemedicine in Tailored Prenatal Care: Barriers and Facilitators Post-COVID-19

(1008) Does buprenorphine administered for OUD improve stimulant abstinence in those with concomitant Stimulant Use Disorder

(1009) Outcomes of non-placenta accreta spectrum peripartum hysterectomy following implementation of a placenta accreta spectrum program

(1010) Perioperative resource utilization, practice patterns and outcomes for high BMI patients undergoing cesarean delivery.

(1011) Latency antibiotics following previable preterm prelabor rupture of membranes prolongs pregnancy by two weeks

(1012) Pregnant patients with Neurofibromatosis 2 and associated perinatal and maternal outcomes: a systematic review

(1013) Episiotomy and Anal Sphincter Injury during Operative Vaginal Delivery in a United States Cohort

(1014) After Love Canal: Regional perspective of environmental toxin exposure and development of congenital heart disease

(1015) Maternal Immune Thrombocytopenia and Risk of Severe Hemorrhagic Morbidity at Delivery

(1016) Histopathological Findings of In-Utero Ventriculosubgaleal Shunt Placement in a Fetal Lamb Model of Induced Hydrocephalus

(1017) Low fetal fraction and obstetric outcomes: Insights from a matched cohort study

(1018) Impact of Altitude on Uterine Activity During Air Transport in Pregnancy

(1019) Posttraumatic stress disorder two months after induced vaginal delivery: a multicenter prospective study

(1020) Outcomes of Macrodose Buprenorphine Inductions in Pregnancy

(1021) Outcomes of elective versus medically-indicated radiofrequency ablation for multifetal reduction of monochorionic pregnancies

(1022) Outcomes of non-medically indicated induction of labor at 39 weeks among births complicated by obesity

(1023) Betamethasone administration among neonates at 22 weeks gestational age: a cost-effectiveness analysis

(1024) Adverse outcomes in individuals with recurrent gestational diabetes mellitus in subsequent pregnancies.

(1025) Diurnal Variability of Urine Protein-to-Creatinine Ratio in Singleton and Twin Pregnancies Versus 24-Hour Proteinuria

(1026) Enhancing Multispecialty Competence in Maternal Trauma Resuscitation Through Simulation-Based Training

(1027) Treating Vaginal Infections Prior to History-Indicated Cerclage and its Impact on PPROM and Pregnancy Prolongation

(1028) Maternal and Fetal Outcomes and Anticoagulation Use in Pregnancies Affected by Mechanical Heart Valves

(1029) Implementation of Respectful Care Breakfasts supports statewide perinatal quality improvement initiative equitable care efforts

(1030) Cost-effectiveness of early fetal anomaly screening (11-14 weeks) in pregnancies complicated by pregestational diabetes mellitus

(1031) Feasible but Fleeting: Exploring Response Patterns in Remote Postpartum BP Monitoring Among Underserved Patients

(1032) Carrier screening trends in pregnancy at a large academic center

(1033) Postpartum Pain Scores in Patients Maintained on Medication for Opioid Use Disorder (MOUD)

(1034) Effect of Antenatal Corticosteroids on Placental Histology in Growth-Restricted Fetuses

(1035) Adding Abdominal Circumference <10th Percentile to Estimated Fetal Weight <10th Percentile for Predicting Neonatal Morbidity

(1036) Severe Maternal Morbidity Associated With Timing and Absence of Prenatal Care

(1037) The First Two Seasons of Maternal RSV Immunization: Patients’ Acceptance, Satisfaction, and Costs

(1038) Accuracy and readability of GPT-4o responses to top pregnancy FAQs

(1039) Association Between the Time-Interval of Conception After Methotrexate and the Following Pregnancy Outcomes

(1040) Optimizing Anatomic Site Selection for Needle Decompression and Chest Tube Placement for Pneumothorax in Pregnancy

(1041) Compliance and Side Effects of Iron vs. Placebo for Non-Anemic Iron Deficiency in Pregnancy

(1042) Maternal and Neonatal Outcomes Following Fetoscopic versus Open Prenatal Surgery for Open Neural Tube Defects

(1043) Maternal Vulnerability Index as a predictor of Severe Maternal Morbidity in Louisiana

(1044) A Comprehensive Analysis of Maternal Health Policy in the State of Illinois

(1045) Development of an Updated Predictive Model for VBAC Success

(1046) Prediction of Severe Preeclampsia Antepartum: Machine Learning Algorithms including Social Vulnerability Data

(1047) Neonatal outcomes among pregnancies complicated by vasa previa: a California population-based cohort study

(1048) Perinatal outcomes in individuals with classic versus mosaic Turner syndrome: a retrospective cohort study

(1049) Effect of HIV status on cord blood SARS CoV-2 seropositivity among pregnant women in Zambia

(1050) Association Between Severe Maternal Morbidity and Racism in Electronic Medical Records: A Case-Control Mixed-Methods Study

(1051) Primary Immunodeficiency Drives Severe Maternal Morbidity: A Nationally Representative Cohort Study

(1052) Effect of spinal anesthesia on the fetal autonomic nervous system: an experimental study

(1053) Survey of Vasa Previa Practice Patterns in the United States

(1054) Effects of a Universal Postpartum Home Visit Program on Blood Pressure Monitoring

(1055) The Association of Neonatal Hypoglycemia with Childhood Obesity

(1056) Selective reduction in pregnancies with selective fetal growth restriction: systematic review and meta-analysis of outcomes

(1057) Severe Early-Onset Preeclampsia is Associated with Compromised Placental Oxygen Signaling via HIF-1a and Metabolic Dysregulation

(1058) Predicting Red Blood Cell Transfusion After Cesarean Delivery Using Machine Learning: An XGBoost Model

(1059) Antenatal Corticosteroid Exposure and Childhood Cancer Risk: A Population-Based Cohort Study of Singleton Live Births

(1060) Postpartum readmission rates after implementation of a standardized furosemide protocol.

(1061) Large Language Model Inference versus Clinician Judgment for Predicting Intrapartum Fetal Asphyxia from Cardiotocography

(1062) Transcerebellar Diameter as a Predictor of Gestational Age: A Retrospective Cohort Study

(1063) Time Threshold Between Last FHR Acceleration and Delivery Predicting Neonatal Acidemia in Low-Risk Pregnancies

(1064) Clinical and Treatment-Related Predictors of SGA in GDMA2 patients treated with Metformin

(1065) Glucocorticoid treatment associated with significantly lower hyperemesis gravidarum symptoms and emetogenic hormone (GDF15) levels

(1066) Improving Intrapartum Vital Sign Charting via a EHR-Embedded Decision Support Tool

(1067) Trends in Adverse Pregnancy Outcomes Following Publication of the CHAP Trial

(1068) A Risk Model for Intrapartum Cesarean Delivery in Women with BMI ≤18.5

(1069) Intermittent versus continuous bladder catheterization in epiduralized laboring patients: a pilot randomized controlled trial

(1070) Geographic and Social Burden of InterIsland Travel for Obstetric Delivery in Hawai’i

(1071) Congenital heart disease in pregnancy and severe maternal morbidity: a distributed data network study

(1072) Can Maternal Height and Fetal Head Circumference Predict Labor Dystocia? An Evaluation of Diabetic Patients

(1073) Data Missingness as a Risk Factor for Preterm Birth

(1074) Interpregnancy Interval as a Risk Factor for Pregnancy-Induced Hypertension

(1075) Closing the evidence-to-practice gap: Evaluating implementation of the CHAP trial

(1076) Discrimination and Generalized Anxiety in a High-Risk Obstetrics Population

(1077) Does ultrasound contribute to clinical management of women with subclinical post partum hemorrhage–prospective cohort study

(1078) Predictors of Takotsubo Syndrome During Pregnancy and The Puerperium in The United States

(1079) External Influences on Clinicians' Decision-Making During Second Stage Cesarean Delivery: A Grounded Dimensional Analysis

(1081) Pulsenmore Self-Scan Proven Safe and Effective in HOLA (Home Ultrasound Assessment) – USA-based Multicenter Study

(1082) A Novel Evaluation Method for LLM Contextual Prompting in a Virtual Maternity Setting

(1083) Needle Lasso Technique for Port Site Closure During Fetoscopic Spina Bifida Repair

(1084) Physician Workload: A Comparative Analysis Across Maternal Fetal Medicine Ultrasound Practice Settings.

(1085) Risk Factors for PPROM after Fetoscopic Placental Laser Ablation for Twin-Twin Transfusion Syndrome

(1086) Beyond the Cesarean Rate: A Provider-Level Composite Metric for Perinatal Quality Assessment

(1087) Weight gained or never lost: the relationship between pregnancy weight trajectory and lifelong cardiometabolic risk

(1088) Decision-to-delivery time in emergency repeat cesarean deliveries: Every minute counts.

(1089) Intrapartum glucose and insulin compared to glucose alone in diabetic women. A randomized controlled trial

(1090) Risk of neonatal complications after elevated nuchal translucency > 95%ile and normal NIPT

(1091) Validation of the Neonatal Research Network Extremely Preterm Birth Outcome Tool.

(1092) Identification of maternal Alzheimer’s disease risk after an atypical finding on SNP-based prenatal cfDNA screening

(1093) Maternal age at first delivery and future psychiatric morbidity of the mother

(1094) Long-term ophthalmic morbidity of the term offspring following antenatal corticosteroids therapy before 34 weeks gestation

(1095) Impact of Maternal Stature on Cardiac Diastolic Load in Twin Pregnancies: A Height-Stratified Echocardiographic Study

(1096) Antibody titers rise after transplacental IUT: a hypothesis-generating study

(1097) Maternal Morbidity Among Pregnant Women With Placenta Accreta Spectrum Treated Conservatively versus Non-Conservatively

(1099) Early vs. Late Cholestasis of Pregnancy: A Comparative Study of Clinical Features and Pregnancy Outcomes

(1100) Incidence of New Recommended Criteria for Severe Maternal Morbidity in Placenta Accreta Spectrum Disorder

(1101) Validation and Feasibility of Communication Assessment Tool Use in Hospitalized Antepartum Patients

(1102) Breastfeeding Intensity and Long-Term Dyslipidemia Risk in Women with Prior Gestational Diabetes: A Mediation Analysis

(1103) Severe maternal morbidity associated with the individual and interactive effects of influenza, asthma, and hypertension

(1104) The role of bone marrow-derived macrophage to prevent preterm birth in a murine model

(1105) Antenatal Corticosteroids and Neonatal Outcomes in Periviable Twin Pregnancies: A National Cohort Study

(1106) Association Between Artificial Rupture of Membranes and Labor Outcomes in Second-Trimester Induction of Labor

(1107) Disposition Index Better Differentiates Insulin Dynamics in Gestational Diabetes Than Matsuda or Insulinogenic Index

(1108) Diagnostic Outcomes of Sex Chromosome Abnormalities Detected on Noninvasive Prenatal Testing

(1109) First Trimester Hemoglobin A1c Underestimates CGM-Derived Average Glucose

(1110) The association of Mycoplasma genitalium and adverse perinatal outcomes in high-risk pregnant women

(1111) Amniotic Fluid Volume Estimation: A Novel Approach for an Old Problem

(1112) Prediction Model for Intrapartum Cesarean Delivery among Women with Clinical Chorioamnionitis

(1114) Effect of aspirin and early onset fetal growth restriction Doppler severity

(1115) Exploring Patient Perspectives in the The PROMMO (Prelabor Rupture of Membranes: Misoprostol vs Oxytocin) Study

(1116) Previous sexually transmitted infection as a predictor for maternal syphilis infection

(1117) Noninvasive Fetal EEG Validation Using Auditory Event-Related Potentials in Third-Trimester Pregnancies

(1118) Modifiable Clinician-Level Factors Associated with TOLAC Counseling and Management

(1119) Comparing engagement among postpartum individuals with public versus private insurance in remote hypertension monitoring program.

(1120) Screening on Arrival: A Decision Analysis of Universal Syphilis Screening in Pregnant Emergency Department Patients

(1121) Decreasing trends of tobacco use disorder among pregnant people in the United States

(1122) A Quality Improvement Initiative to Standardize Cord Blood Gas Collection for High-Risk Deliveries

(1123) Maternal Outcomes in Forceps-Assisted Cesarean Delivery

(1124) Preterm vs Full-Term Epigenetic Age Acceleration Patterns Vary by Chorionicity in Twin pregnancy

(1125) Early initiation of low-dose aspirin improves outcomes in women with moderate-risk factors for preeclampsia

(1126) The Association Between Rural Setting and Adverse Perinatal Outcomes Among Teens

(1127) Assessing the Accuracy and Safety of ChatGPT Responses to Common Questions About Syphilis in Pregnancy

(1128) Continuous Intrapartum Fetal Lactate Monitoring: A First-in-Fetus Study using a Novel Multi-Modal Biosensor

(1129) Lightening the load: Does concurrent partner screening decrease the clinical genetic counseling burden?

(1130) Evaluating Content Quality on Laser Ablation for Twin-to-Twin Transfusion Syndrome: YouTube, TikTok, and Instagram Reels

(1131) Risk of infection using cervical ripening balloon for premature rupture of membranes: Systematic review meta-analysis

(1132) Impact of BMI Classifications and Obesity Definitions on Perinatal Outcomes Among Asian American Pregnant Patients

(1133) Severe maternal morbidity and breastfeeding among US nulliparous individuals

(1134) Dobbs and the Double Burden: Pregnancy Amid Intimate Partner Violence in an Abortion Restrictive State

(1135) Identifying Prolonged Second Stage Labor Using Machine Learning Techniques

(1136) Cesarean SSI and BMI: Relationship between the Two in the Era of Modern Antibiotic Prevention

(1137) Evaluating Outcomes of Expectantly Managed CSEP in a Histologically Confirmed PAS Cohort

(1138) Is the incidence of placental insufficiency increased after prenatal surgery for spina bifida?

(1139) Postpartum Follow-Up and Pregnancy Outcomes in Individuals with Diabetes: A Retrospective Cohort Study

(1140) Evaluating the relationship between fetal aneuploidy, severe maternal morbidity and hypertensive diseases in pregnancy

(1141) Clinician Perspectives on Antidepressant Use in Pregnancy: Unpacking Barriers and Racial Disparities in Medication Continuation

(1142) Not all cerclages are equal: a high‑volume cohort reveals indication‑driven differences in pregnancy outcomes

(1143) Pregnancy Outcomes in Patients with Cystic Fibrosis: A Multicenter Retrospective Study

(1144) Rapid PlGF: A Pilot Study of Clinical Utility

(1145) Threshold for Acute Treatment of Severe Hypertension: Before and After Quality Improvement Study

(1146) Menstrual discs for cervicovaginal cellular phenotyping: a novel methodology to define tissue-specific adaptations in pregnancy.

(1147) Observed Thromboelastography (TEG) Values in Healthy Postpartum Individuals Compared to Non Pregnant Individuals

(1148) Enhanced screening via EMR portal for detection of perinatal mood and anxiety disorders

(1149) Facilitators and Barriers to Aspirin Implementation for Prevention of Preeclampsia in Nigeria

(1150) Maternal Substance Use And Altered Maternal and Fetal Immune Responses: Implications for Offspring Neurodevelopmental Risk

(1151) Experiences of L&D Personnel with Values Clarification Workshops Prior to Implementing Induction Abortion Services

(1152) Prenatal Care Utilization in a Novel Hybrid Prenatal Care Model: Mental Health Conditions

(1153) Management of Postpartum Hemorrhage Bundle – Implentation of a Novel PPH Flowsheet

(1154) Hospital readmission rates for postpartum patients in a remote blood pressure monitoring program

(1155) Streamlining glycemic control: subcutaneous insulin for intrapartum diabetes management

(1156) Discrepancies in perceived autonomy, trust and information between women and healthcare providers in childbirth decision-making

(1157) Postpartum Electrocardiogram Parameters in Patients Affected and Unaffected by Cardiovascular Dysfunctions

(1158) Incidence and risk factors associated with funisitis in patients with cesarean surgical site infections

(1159) Maternal adverse childhood experiences and breastfeeding in low-come pregnant women: the CRADLE study

(1160) Endothelial dysfunction and complement dysregulation in growth restricted fetuses in the absence of preeclampsia

(1161) Hyperglycemia and metformin differentially modulate inflammatory protein cargo in placental extracellular vesicles

(1162) Treatment outcomes in pyelonephritis during pregnancy following practice change from ampicillin and gentamicin to ceftriaxone

(1163) Reducing Postpartum Readmissions: Development of a Risk Model Based on Maternal and Peripartum Factors

(1164) Comprehensive single-cell profiling of the maternal-fetal interface in Type 1 Diabetes

(1165) Maternal Exposure to Heavy Metals and Risk of Recurrent Preterm Birth: A Prospective Cohort Study

(1166) Hypoglycemia on Gestational Diabetes Diagnostic Testing and Obstetric Outcomes

(1167) Risk Factors of Extreme Preterm Birth after Physical Exam Indicated Cerclage

(1168) Venture Capital-Backed Pregnancy Health Startups and the Maternal Health Crisis

(1169) Cumulative impact of multiple severe features of preeclampsia and maternal morbidity

(1170) Comparing continuous glucose monitoring and blood glucose monitoring among pregnant individuals with Type 2 Diabetes

(1171) Recent trends in prenatal genetic screening for aneuploidy at a large academic center

(1172) Obstetric outcomes following cerclage placement in multiparous patients with and without a prior preterm birth

(1173) Gastrointestinal Morbidity following Antenatal Corticosteroid Exposure in Preterm Birth: A Long-Term Perspective

(1174) Differences in Engagement and Outcomes in a Postpartum Hypertension Monitoring Program by Infant NICU Admission

(1175) Association of Prior Adverse Pregnancy Outcomes with Health-Related Social Needs: The BUSY-BP Study

(1176) Development and validation of a screening tool incorporating fetal indicators to predict severe maternal morbidity

(1177) BMI Effects on Placenta Accreta Spectrum Grade Severity

(1178) Resolved fetal growth restriction is not risk-free: an analysis of maternal factors and neonatal outcomes

(1179) Revisiting Nuchal Translucency Thresholds for Predicting Fetal Anomalies in Low Risk Cell-Free DNA

(1180) Single versus Seven-Day Treatment Dosing for Metronidazole in Pregnancies Complicated by Trichomonas Vaginalis Infections

(1181) External validation of predictive models for postpartum readmission for hypertension management

(1182) Adverse Childhood Experiences and Postpartum Healthcare Utilization Following Cesarean Birth: A Pilot Prospective Cohort Study

(1183) Fasting Blood Glucose (FBS) Targets in GDMA1: A Clinical Practice Comparison

(1184) Trophoblast injury post in vitro percussion trauma

(1185) Aspirin Dose and Risk of Postpartum Hemorrhage: A Retrospective Cohort Study

(1186) Cesarean Rate Reduction At Scale Is Possible with Intensive Hospital Quality Improvement Support

(1187) Can we mitigate environmental influences on relapse patterns in pregnant persons with substance use disorder?

(1188) Genotype-phenotype correlations in prenatal skeletal dysplasias

(1189) What’s Trending on #PostpartumHypertension on TikTok - a Descriptive Study

(1190) Placental CD20+B Cells from Preeclamptic women contribute to Neurovascular Dysfunction in rat model of PE

(1191) Growth Velocity vs Doppler Flow: Rethinking Surveillance in Growth-Restricted Fetuses

(1192) Postpartum Readmissions and Associated Complications

(1193) Iron deficiency anemia in pregnancy and perinatal outcomes

(1194) Impact of Zygosity on Perinatal Outcomes in Dichorionic Diamniotic Twin Pregnancies

(1196) Post-ARRIVE trial surge in 39 and 40-week inductions among low-risk nulliparous patients nationwide

(1197) Epigenetic variations associated with smoking in pregnant individuals with chronic hypertension

(1198) Toxicity associated with maternal antiarrhythmic therapy for treatment of fetal tachyarrhythmias: a case series

(1199) cfDNA and adverse outcomes with severe fetal growth restriction

(1200) Gestational Age at Cervical Length Measurement and the Risk of Preterm Birth in Twin Pregnancies

(1201) The Invisible Weight: Trauma Exposure and Early Gestational Weight Gain

(1202) Three Phenotypes of Maternal Heart Rate Adaptation During the First Postpartum Year

(1203) Scheduled IV Ketorolac after Cesarean Delivery and Effects on Opioid Use: A cost effectiveness analysis

(1204) Addressing Perinatal Health Disparities through Institution-Wide Offering of Elective Inductions of Labor after 39 Weeks

(1205) Accuracy of diagnosis codes in administrative data for measuring shoulder dystocia

(1206) Gestational Age and Indications for Delivery in Prenatally Diagnosed Gastroschisis: A 23-Year Retrospective Cohort Study

(1207) Planned versus Unplanned Cesarean Delivery for Placenta Previa: Balancing Neonatal Risks and Maternal Morbidity

(1208) Food Deserts and Maternal Blood Pressure: A Hidden Risk For Gestational Hypertension

(1209) A Decade of Diabetes in Pregnancy: National Trends and Disparities by Access to Care

(1210) Nomogram for Predicting Shoulder Dystocia After Term Vaginal Delivery

(1211) Breathing new life into gestational diabetes diagnosis: pilot study of a novel non-invasive breath test

(1212) First-In-Human Study of a Novel Medical Device In PPROM

(1213) Oxytocin Dosing During TOLAC to Minimize the Uterine Rupture Risk: A Systematic Review and Meta-Analysis

(1214) Intra-Cesarean myomectomies are safe and practical procedures.

(1215) Prophylactic antibiotics for women with PROM >18 hours: A cost effectiveness analysis

(1216) Management and Outcomes of Spontaneous Twin Anemia Polycythemia Sequence (TAPS)

(1217) Peripartum cardiomyopathy: impact of delivery mode on severe maternal morbidity and cardiopulmonary outcomes

(1219) MR radiomics and surgical outcomes in pregnant patients at increased risk for Placenta Accreta Spectrum

(1220) Novel approach to a computational evaluation of the waveform of umbilical artery Dopplers

(1221) Perinatal Mental Health on TikTok: What Does Medical Content Look Like?

(1222) Measuring What Matters: The Clinical Utility of Quantitative vs. Estimated Blood Loss in Postpartum Hemorrhage

(1223) Venovenous anastomoses and laser for twin-twin transfusion syndrome (TTTS): a Sequential Trial subanalysis

(1224) Cervical Shortening After Normal Midtrimester Screening: Clinical Implications for Preterm Birth Prediction

(1225) Ultra-processed food consumption is associated with higher risk of adverse pregnancy outcomes

(1226) Weighing the Risks: Maternal Morbidity and Neonatal Outcomes After Bariatric Surgery

(1227) Association of immediate neonatal morbidity with long-term pulmonary and neurocognitive outcomes

(1228) Assessment of Machine Learning Models for First-Trimester Detection of Fetal Congenital Heart Defects

(1229) Cardiometabolic Health Indices as Predictors of Gestational Diabetes

(1230) Evaluating Anti-MBG Antibody (H3L2) as a Therapeutic Agent and Marinobufagenin as a Biomarker in Preeclampsia

(1231) App-based immediate discharge vs. standard-discharge process: effects on time to departure, safety, and satisfaction

(1232) Sources of information for foley balloon use during induction of labor impacts its use

(1233) Birthweight discordancy and its direction: impact on cesarean risk during attempted vaginal twin delivery

(1234) Trisomy 21 Fetal Growth: 18 Years of Sonographic Experience and Outcome Data

(1235) Missile Exposure and Obstetric Outcomes: A Retrospective Study on Preterm Birth and Low Birth Weight.

(1236) Initiation or continuation of oral labetalol versus extended-release nifedipine in expectant management of severe preeclampsia

(1237) Psychosocial stressors and prenatal inflammation in the Chicago Perinatal Origins of Disease Cohort

(1238) Trends in Twin Mode of Delivery Over Time

(1239) Long-term cardiovascular outcomes in term-born children exposed to antenatal corticosteroids: A population-based cohort study

(1240) Maternal body mass index and neonatal respiratory outcomes following antenatal corticosteroid administration

(1241) Characteristics and Preventability of Severe Maternal Morbidity Before and After Implementation of SMM-targeting Interventions

(1242) Cost-Effectiveness of a Multivessel Embolization Strategy for Management of Placenta Accreta Spectrum: A Decision-Analytic Model

(1243) Forceps Use in Flux: Trends in Assisted Vaginal Delivery Across the United States

(1244) Early-Onset Severe Superimposed Preeclampsia: Diagnostic Criteria and Severe Maternal and Neonatal Morbidity

(1245) Changes in Cardiac Morphometry in Fetal Lower Urinary Tract Obstruction

(1246) Do first stage uterine contractility measures predict second stage duration?

(1247) Gut microbial metabolite and fractional excretion profiles in pregnancies with and without hypertensive disorders

(1248) Early-life parenting patterns: understudied, potentially modifiable risk factors for adverse obstetric outcomes

(1249) Timing of Diabetes Diagnosis and Perinatal Outcomes: A Secondary Analysis of the MOMPOD trial

(1250) Vaginal Birth Following Second Stage Arrest Cesarean: A Worthwhile Trial?

(1251) Risk Stratification Model Identifies Unplanned Deliveries <34 Weeks in Placenta Accreta Spectrum

(1252) Conservative Management with Planned Placental Removal versus Hysterectomy for Antenatally Suspected Low-Grade Placenta Accreta Spectrum

(1253) Relationship between continuous glucose sensor metrics and adverse neonatal outcomes in individuals without diabetes

(1254) Routine Third-Trimester Ultrasonography in Low-Risk Pregnancies: Examining Detection of Abnormalities in a High-Risk Population

(1255) HIV and pregnancy outcomes: An updated retrospective cohort analysis

(1256) Fetal heart tracings with and without uterine rupture during trial of labor after cesarean

(1257) Statewide prevalence of screening for unmet social needs across prenatal clinics and associated clinic characteristics

(1258) Single Umbilical Artery: Marker of Risk or a Benign Variant? A Long-Term Neurologic Follow-Up

(1259) Vaping during pregnancy: implications for maternal and fetal health

(1260) Beyond the Threshold: Clinical Implications of Subclinical Hypothyroidism in Pregnancy

(1261) Safe Delivery of a Nanoparticle-Based Therapy to the Pulmonary Endothelium in a Rodent Model

(1262) Decidual Transcriptome Profiling Unravels Key Dysregulated Genes in Cesarean Scar Ectopic Pregnancy

(1263) Social Determinants Of Health And Birth Outcomes After Implementation Of A Systematic Screening Program

(1264) Comparison of Gestational Diabetes Treatment Modalities and Associated Placental Histopathology

(1265) Postpartum Spontaneous Diuresis and Risk of Hospital Return in Preeclampsia with Severe Features

(1266) Perinatal outcomes associated with bupropion use in pregnant persons with Methamphetamine Use Disorder

(1267) Phenotyping glucose, physical activity, and sleep patterns using wearables in gestational diabetes

(1268) Adverse Childhood Experiences are Associated with Maternal Morbidity and Social Vulnerability

(1269) Postpartum Management and Transition-of-Care for Patients with Type 2 Diabetes

(1270) Umbilical Cord Blood Gases as Indicators of Fetal Compromise in Preterm Preeclampsia with Growth-Restricted Fetuses

(1271) Association between maternal vascular malperfusion and blood pressure 2-7 years postpartum

(1272) Incidence and preventability of severe early pregnancy morbidity at a tertiary referral center

(1273) Preconception glucagon-like peptide-1 receptor agonist therapy for Type 2 Diabetes Mellitus: A Cost-Effectiveness Analysis

(1274) Implementation of Restricted Labor IV Fluid Protocol and Development of Pregnancy Associated Hypertension

(1275) First-trimester fasting glucose correlates with long-term maternal diabetes mellitus and cardiovascular complications

(1276) The Paradox of Prenatal War Exposure: A Protective Effect Against Childhood Infections?

(1277) Risk Factors for Preventable Severe Early Pregnancy Morbidity at a Tertiary Academic Center

(1278) Azithromycin for labored cesarean complicated by IAI is associated with reduced postpartum infection and readmission

(1279) Maternal and Neonatal Outcomes in Pregnant Women with Cardiac Disease: Specialized Versus General Obstetric Care

(1280) Beyond Recognition: How Different Racial Groups Process Perceived Healthcare Discrimination in Prenatal Care

(1281) Prepregnancy risk factors for placenta accreta spectrum: understanding data structure using principal component analysis

(1282) Ergonomics for the Obstetrician during Cesarean Delivery

(1283) intrapartum Glucose Monitoring for A1GDM: A Randomized Controlled Trial

(1284) Factors associated with pro-inflammatory cervicovaginal cytokine milieu among gravidas with an asymptomatic short mid-trimester cervix

(1285) Predictive Value of Maternal sFlt-1/PlGF Ratio for Adverse Outcomes in Small for Gestational age Fetuses

(1286) Unmasking Risk in Low/Intermediate sFlt-1/PlGF Ratios with a Novel Angiogenic Classification

(1287) Rising Acute Myocardial Infarction in Pregnancy: National Trends, Risk Factors, and Maternal Health Disparities

(1288) Association between timing of fetal growth restriction diagnosis and severe preeclampsia

(1289) The Impact of Anemia on Fetal Growth Trajectory in Patients with Inflammatory Bowel Disease

(1290) Association of Race and Ethnicity with Adverse Outcomes in Patients with Pre-existing Diabetes

(1291) GBS carriage in term-pregnancies: Concordance of detection by prenatal screening, culture, and deep metagenomic sequencing

(1292) Antepartum vs Postpartum Pulmonary Edema in Preeclampsia: Echocardiographic findings and Maternal Outcomes

(1294) Rethinking Advanced Maternal Age: Stratified Analysis of Severe Maternal Morbidity in Individuals Aged 35–69

(1295) Amniotic IL-6 as a predictor of intra-amniotic infection: a retrospective cohort study

(1296) Mode of Scheduled Delivery for Nulliparous Individuals with Class III Obesity

(1297) The utility of comprehensive genomic testing in families with stillbirth due to fetal disorders