Maternal Side-Effects After Multiple Courses of Antenatal Corticosteroids (MACS): The Three- Month Follow-Up of Women in the Randomized Controlled Trial of MACS for Preterm Birth Study

OBJECTIVE: A single course of antenatal corticosteroids (ACS) is associated with a reduction in respiratory distress syndrome and neonatal death. Multiple Courses of Antenatal Corticosteroids Study (MACS), a study involving 1858 women, was a multicentre randomized placebo-controlled trial of multiple courses of ACS, given every 14 days until 33+6 weeks or birth, whichever came first. The primary outcome of the study, a composite of neonatal …