Obstet Gynecol 2020 06;135(6):1426-1433
Massachusetts General Hospital Fertility Center and Harvard Medical School, Boston, Massachusetts; the Department of Women's Health, Wright Patterson Air Force Base, Wright Patterson AFB, and the Department of Obstetrics & Gynecology, Boonshoft School of Medicine, Wright State University, Dayton, Ohio; the Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts; CellNetix Pathology and Laboratories and Swedish Medical Center, Seattle, Washington; and the Deborah Kelly Center for Outcomes Research, the Division of Maternal Fetal Medicine, Department of Obstetrics & Gynecology, and the Department of Obstetrics & Gynecology, Massachusetts General Hospital, Boston, Reproductive Endocrinology/Infertility, Department of Obstetrics & Gynecology, UMass Memorial Medical Center, Worcester, Boston IVF, Waltham, and the Department of Obstetrics & Gynecology, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
Objective: To characterize the obstetric outcomes and placental pathology in live births arising from vanishing twin pregnancies compared with nonreduced in vitro fertilization (IVF) pregnancies.
Methods: This is a retrospective cohort study of live births resulting from fresh embryo transfers after IVF cycles with autologous oocytes from 2004 through 2017 at a large academic fertility center. Clinical information and pathology reports were reviewed. Read More