1 Departments of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, IN (Philip and Haas).
2 Departments of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, MA (Litman, O'Brien, and Guise).
3 Departments of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, IN (Philip and Haas). Electronic address: dahaas@iu.edu.