Caption:
Maternal age and BMI were ascertained at the initial study visit in the
first trimester.
*Transfer to higher level of care when delivery occurred at a facility
with level II NICU or lower.
Data Summarized as N(%) or Mean ±SD as indicated. GA, gestational age;
HTN, hypertension; NICU, neonatal intensive care unit; RDS, respiratory
distress syndrome; NEC, necrotizing enterocolitis; IVH, intraventricular
hemorrhage.