662 - Prenatal Magnesium Sulfate Exposure is Not Associated with Different Neurodevelopmental Outcomes by Sex in Extremely Preterm Infants

Kate F. DiNucci, University of Washington School of Medicine, Seattle, WA, United States; Olivia C. Brandon, University of Washington: Magnuson Health Sciences Center – RR 544A, Seattle, WA, United States; Kylie Corry, University of Washington School of Medicine, Seattle, WA, United States; Patrick Heagerty, University of Washington, Seattle, WA, United States; Dennis E. Mayock, UWMC, Lake Forest Park, WA, United States; Sandra E. Juul, University of Washington, Seattle, WA, United States; Thomas R. Wood, University of Washington School of Medicine, Seattle, WA, United States