1. From the Department of Obstetrics, Gynecology and Reproductive Sciences (LLS, JSB), Department of Epidemiology and Biostatistics (LLS, HS, EV, JSB), Department of Medicine (JS), and Department of Urology (JSB), University of California, San Francisco, the Weight Management Program, California Pacific Medical Center (JS), San Francisco, and Department of Reproductive Medicine, University of California, San Diego (EW), San Diego, California