Rachel Peragallo Urrutia1,2, Chelsea B Polis3,4. 1. Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA. 2. Reply OB/Gyn & Fertility, Cary, NC, USA. 3. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. 4. Guttmacher Institute, New York, USA.