J Matern Fetal Neonatal Med
September 2022
Background: The effects of antenatal corticosteroids (ANSs) on twins are not well established.
Objective: To determine the impact of ANS use according to the number of fetuses.
Methods: Retrospective cohort study of newborns between 23 and 33 weeks of gestational age, birth weight from 400 to 1499 g, without malformations, delivered at 20 public university hospitals from 2010 to 2014.