A cohort study of 1 548 538 mother-child pairs with antenatal exposure to steroids (ACS) found a significantly increased risk of res v nonrespiratory infections in preterm & full-term children up to 21 years. (incidence rate, 65 vs 40 & 30 vs 18 per 1000 person-Yrs, https://t.co/Vh4TNYMXgo