1Department of Obstetrics and Gynecology, University of Pennsylvania, 3701 Market Street, 3rd Floor, Philadelphia, PA, 19104, United States, 1 651-492-3856.
2Hospital of the University of Pennsylvania, Philadelphia, PA, United States.
3Medical University of South Carolina, Charleston, SC, United States.
4Intensive Care Nursery, Department of Pediatrics, University of Pennsylvania, Philadelphia, PA, United States.
5School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.
6Maternal Fetal Medicine Research Center, School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.
7Penn Medicine Center for Health Care Transformation and Innovation, Philadelphia, PA, United States.
8Memora Health, San Francisco, CA, United States.
9Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA, United States.
10Penn Medicine, Philadelphia, PA, United States.
11Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA, United States.