457 - Improving outcomes of periviable births via an enhanced prediction tool

Henry C. Lee, University of California, San Diego School of Medicine, La Jolla, CA, United States; Deirdre Judith. Lyell, Lucile Packard Children's Hospital Stanford, Stanford, CA, United States; Xiao Xu, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States; Jeff Gould, Stanford University School of Medicine, Berkely, CA, United States; Kristen E. Schaffer, University of California, San Diego School of Medicine, La Jolla, CA, United States; Tianyao Lu, Stanford University CPQCC, alamo, CA, United States; Emily Silliman, University of California, San Diego School of Medicine, La Jolla, CA, United States; Susan R. Hintz, Stanford University School of Medicine, Palo Alto, CA, United States