575 - Antenatal Exposure to Medication for Opioid Use Disorder and Fetal Growth in the ESC-NOW Randomized Controlled Trial

Ward Rice, Cincinnati Children's Hospital Medical Center, Edgewood, KY, United States; Zhuopei Hu, UAMS, Little Rock, AR, United States; Lori A.. Devlin, University of Louisville School of Medicine, Louisville, KY, United States; Stephanie L. Merhar, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States; Song Ounpraseuth, UAMS, Little Rock, AR, United States; Leslie W. Young, University of Vermont Larner College of Medicine, Burlington, VT, United States; NICHD Neonatal Research Network, National Institute of Child Health and Human Development, Bethesda, MD, United States; ECHO IDeA States Pediatric Clinical Trials Network, n/a, North Bethesda, MD, United States