Risk factors associated with prolonged neonatal intensive care unit stay after threatened late preterm birth

Objective To identify risk factors associated with neonatal intermediate or intensive care unit (NICU) stay ≥3 days among women with threatened late preterm birth (PTB). Study design Secondary analysis of women with nonanomalous, singleton gestations enrolled in multicenter trial of betamethasone versus placebo for late PTB. Maternal and obstetric characteristics at time of presentation with threatened PTB were compared between those with and...