Postnatal betamethasone treatment in extremely preterm infants and risk of neurodevelopmental impairment : a cohort study
Objective: To evaluate if postnatal treatment with betamethasone in extremely preterm infants was associated with neurodevelopmental impairment (NDI) at 6.5 years of age. Design: Prospective cohort study. Setting: Extremely Preterm Infants in Sweden Study (gestational age