Maternal Diabetes and Neurodevelopmental Outcomes of Infants Born Before 29 Weeks' Gestation.

Objective: To compare the neurodevelopmental outcomes of infants born at <29 weeks' gestation and exposed to diabetes in pregnancy with those unexposed.

Study Design: This was a retrospective cohort study using the Canadian Neonatal Network and Canadian Neonatal Follow-Up Network databases. Infants born <29 weeks' gestation and admitted to a level 3 neonatal intensive care unit from 2009 through 2018 who had neurodevelopmental assessments at 18-24 months corrected age were eligible.