The Interaction of Antenatal Steroid Timing and Pre-Eclampsia on Respiratory Outcomes among Infants Born Preterm.

Objective: To evaluate the effect of timing of antenatal steroids (ANS) administration and its interaction with pre-eclampsia (PE) on respiratory outcome among infants born preterm.

Study Design: This was an analysis of a prospective, single-center cohort of infants born between 23 to 30 weeks of gestation between 2012 through 2021. Endpoints were severe RDS (sRDS) and moderate-severe BPD (msBPD).