Affiliation: | aProfessor, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO;bAssistant Professor, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO;cFellow, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO;dChief resident, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO;eSecond-year resident, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO |