General anesthesia for cesarean delivery and childhood neurodevelopmental and perinatal outcomes: a secondary analysis of a randomized controlled trial

•Few data on neurologic outcomes after in utero exposure to general anesthesia (GA).•Secondary analysis of randomized trial of maternal magnesium and cerebral palsy.•Exposure to GA was not associated with impaired neurodevelopment overall.•Only severe motor delay was significantly more common among infants exposed to GA.•Findings are reassuring regarding a single, short in utero exposure to GA.