Sara E Barton1, Stacey A Missmer, Rachel K Ashby, Elizabeth S Ginsburg. 1. Division of Reproductive Medicine, Department of Obstetrics, Gynecology, and Reproductive Biology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA. sbarton@partners.org
Abstract
OBJECTIVE: To determine whether oocyte donor FSH and age are independently associated IVF cycle success. DESIGN: Retrospective cohort study. SETTING: University hospital-based IVF clinic. PATIENT(S): Three hundred twelve donor/recipient pairs undergoing oocyte donation IVF. MAIN OUTCOME MEASURE(S): Number of mature oocytes and embryos, clinical pregnancy, and live birth rates. RESULT(S): Donors' basal FSH levels were not associated with IVF cycle outcomes. However, for every year increase in donor age, the number of mature oocytes decreased by 0.39 and the number of embryos decreased by 0.25 resulting in 1 less embryo for each 4-year increase in age, even in young donors. For every 100 pg/mL increase in estradiol on the day of hCG administration, the number of mature oocytes increased by 0.49 and the number of embryos increased by 0.36. For each additional 75 IU of gonadotropin used during stimulation, the likelihood of pregnancy and live birth decreased by 3.5%. CONCLUSION(S): Donor oocyte IVF cycle outcomes were not associated with donor basal FSH. However, donor age and estradiol level on the day of hCG administration were significantly associated with numbers of mature oocytes and embryos obtained, and the amount of gonadotropin used in the stimulation was significantly associated with the likelihood of pregnancy and live birth. Copyright (c) 2010 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.
OBJECTIVE: To determine whether oocyte donor FSH and age are independently associated IVF cycle success. DESIGN: Retrospective cohort study. SETTING: University hospital-based IVF clinic. PATIENT(S): Three hundred twelve donor/recipient pairs undergoing oocyte donation IVF. MAIN OUTCOME MEASURE(S): Number of mature oocytes and embryos, clinical pregnancy, and live birth rates. RESULT(S): Donors' basal FSH levels were not associated with IVF cycle outcomes. However, for every year increase in donor age, the number of mature oocytes decreased by 0.39 and the number of embryos decreased by 0.25 resulting in 1 less embryo for each 4-year increase in age, even in young donors. For every 100 pg/mL increase in estradiol on the day of hCG administration, the number of mature oocytes increased by 0.49 and the number of embryos increased by 0.36. For each additional 75 IU of gonadotropin used during stimulation, the likelihood of pregnancy and live birth decreased by 3.5%. CONCLUSION(S): Donor oocyte IVF cycle outcomes were not associated with donor basal FSH. However, donor age and estradiol level on the day of hCG administration were significantly associated with numbers of mature oocytes and embryos obtained, and the amount of gonadotropin used in the stimulation was significantly associated with the likelihood of pregnancy and live birth. Copyright (c) 2010 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.
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