1. Departments of Obstetrics, Gynecology, and Reproductive Sciences (S.R., K.D., B.A., T.M.P.), Pittsburgh, Pennsylvania 15213
2. University of Pittsburgh, and Magee-Womens Research Institute (S.R., K.D., B.A., T.M.P.), Pittsburgh, Pennsylvania 15213
3. Pharmaceutical Sciences (R.B.G.), Pittsburgh, Pennsylvania 15213