Health Uterine Aging May Reduce Donor Egg Pregnancy Success After 49 by Dr Natalie Singh - Health Editor July 6, 2026 by Dr Natalie Singh - Health Editor July 6, 2026 Uterine Aging and Donor Egg Pregnancy Success After 49 Pregnancy success rates for women using donor eggs decline after age 49 because the uterus undergoes biological aging regardless of the … 0 FacebookTwitterPinterestEmail