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Is younger better? Donor age less than 25 does not predict more favorable outcomes after in vitro fertilization
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Is younger better? Donor age less than 25 does not predict more favorable outcomes after in vitro fertilization
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Journal Article
Is younger better? Donor age less than 25 does not predict more favorable outcomes after in vitro fertilization
2019
Overview
ObjectiveTo determine whether younger oocyte donor age is associated with better outcomes after in vitro fertilization (IVF) compared with older oocyte donor age.DesignA retrospective cohort study.SettingLarge academically affiliated infertility treatment center.PatientsWe included all women ≥ 18 years who started their first fresh cycle using donor oocytes at our center from January 2002 through October 2017; only the first oocyte recipient cycle was analyzed.InterventionLog-binomial regression was used to compare the incidence of clinical pregnancy and live birth among the following donor age groups: < 25 years, 25 to < 30 years, and 30 to <35 years.Main outcome measureIncidence of clinical pregnancy and live birth among donor age groups.ResultsWe included 774 donor cycles; 269 (34.8%) used donors < 25 years, 399 (51.6%) used donors 25 to < 30 years, and 106 (13.7%) used donors 30 to < 35 years. Median donor age was 26 years (range 18–34.5), and median recipient age and partner age were both 42 years. Per cycle start, after adjusting for recipient age, cycles using donors < 25 years were not associated with a higher incidence of clinical pregnancy (RR 0.90; 95% CI 0.77–1.06) or live birth (RR 0.87; 95% CI 0.72–1.04) compared with donors age 25–< 30 years.ConclusionsDonor age < 25 was not associated with better outcomes after IVF. Under the age of 30, the prioritization of <25 year old donors may not be recommended given the lack of evidence for superior pregnancy or live birth outcomes.
Publisher
Springer Nature B.V
Subject
