Prematurity

(121) Antenatal Corticosteroid Exposure in Late Preterm Small for Gestational Age: A Population Cohort Study

(154) Antenatal late preterm steroids in twin gestations

(174) Physical activity and sedentary behavior and spontaneous preterm birth (SPTB): Insights from Fitbit tracker data

(187) Development of Predictive Model for Preterm Birth Using Machine Learning with US CDC Data

(202) Neonatal and maternal outcomes after betamethasone administration for late-preterm premature rupture of membranes (PROM).

(213) Maternal Lactobacillus crispatus abundance in early gestation associated with decreased incidence of preterm birth

(229) Biomechanical modeling of cervical support during pregnancy: implications for the treatment of cervical insufficiency

(269) Stress-reducing interventions in pregnancy for prevention of preterm birth: a systematic review and meta-analysis.

(272) Appropriate Timing of Steroid Administration in Pregnancies At Risk for Preterm Delivery

(315) Activity in women at risk for early delivery: A prospective observational study

(337) Acute Inflammation is Associated With Reduced Basal Decidua Progesterone Receptor Density in Spontaneous Preterm Birth

(368) Utility of extended cervical length surveillance among asymptomatic patients with prior spontaneous preterm birth

(371) Association between preterm birth and adverse childhood experiences in a diverse population

(394) Azithromycin Dose and PPROM Treatment (ADAPT): a randomized controlled Phase I trial

(397) Effectiveness of a cervical pessary to prolong pregnancy after an episode of preterm labor

(401) Digital exams in patients with PPROM: Outcomes based on number of exams

(413) Differential exposure to antenatal steroids by sociodemographic factors among late preterm births

(422) Differences in placental gene expression in term and preterm birth

(429) Does Vaginal Progesterone prevent preterm birth in women with shortened cervix after 24 weeks?

(436) Association of BMI on surgical and pregnancy outcomes in patients undergoing non-emergent vaginal cerclage

(505) Evaluating the Detection of Ferning with Previable Rupture of Membranes

(525) Effects of Dutch tocolysis protocol adjustment for threatened preterm birth after 30 weeks of gestation.

(530) Comparison of the normal mid-trimester cervical length between singleton and twin gestations.

(531) Establishing risk thresholds for asymptomatic cervical lengths in twin pregnancies.

(619) Effectiveness of cerclage in twin pregnancies with short cervix: systematic review and meta-analysis

(636) Association between histological and clinical chorioamnionitis in patients with PPROM

(648) Indications for Antenatal Late Preterm Steroids and Childhood Neurodevelopmental Outcomes

(698) Maternal Epigenetic Variation among women Experiencing Preterm Birth in Hawai'i

(701) Hypertensive Disorders of Pregnancy and Childhood Growth

(714) Neonatal Outcomes After Maternal versus Neonatal Transfers to a Level IV Perinatal Care Center

(730) Vaginal progesterone treatment failure in otherwise low-risk patients with short cervix

(731) Nationwide Trends in Periviable Preterm Birth Interventions

(736) Identifying women at high risk for preterm birth based on clinical data using machine learning

(791) Timing of exam-indicated cerclage and pregnancy outcomes: To emergently or urgently schedule?

(815) Treatment effect heterogeneity of antenatal steroids among late preterm births

(833) Outpatient Versus Inpatient Management of Premature Prelabour Rupture of Membranes: A Systematic Review and Meta-Analysis

(848) Outcomes in Pregnancies Complicated with Preterm Hypertensive Disorders with and without Late Antenatal Corticosteroids

(859) Neonatal and Maternal Outcomes Following Implementation of Expectant Management of Late Preterm PROM

(873) Timing of antenatal steroid administration in twin gestations

(909) Optimally timed antenatal corticosteroids over a 5-year period in a large US birth cohort

(942) Periviable Outcomes stratified by Mode of Delivery

(952) The association of sociodemographic differences with clinical management following a diagnosis of short cervix

(958) Pre-cerclage amniotic fluid glucose levels, white blood cell count and pregnancy outcomes

(964) Pessary versus progesterone in singleton pregnant women with a short cervix: a randomized controlled trial

(996) Maternal and Neonatal Outcomes of Pregnancies with PPROM following Expectant Management or Elective Termination

(1006) The impact of screening for preeclampsia and preterm birth in nulliparous women: the PREVENTION-pilot study

(1012) The association between uterine fibroid size and number and risk of preterm birth

(1018) Late preterm antenatal steroids in women with pregestational diabetes mellitus

(1021) Preterm delivery risk in women with a prior pregnancy complicated by previable PPROM (pPPROM)

(1022) Progesterone Use Following Previable Prelabor Rupture of Membranes

(1149) The Impact of Obstetric Risk Factors for Preterm Delivery among Women with Cervical Cerclage

(1168) Quadruple P screening study: risk factors associated with a short mid-pregnancy cervical length in singletons

(1172) The Integration of Prenatal Data Into the Neonatal Research Network (NRN) Survival Probability Estimator

(1179) Risk of recurrent spontaneous preterm birth among those with persistent cervical HPV infection