Department of Obstetrics and Gynecology, Tufts Medical Center, Boston (K.P.); Boston IVF—The Eugin Group, Waltham (D.A.V., A.P., D.S.); and Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center (D.A.V., A.P.); Department of Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School (D.A.V.); and Tufts Clinical and Translational Science Institute (A.M.R.), Boston, MA