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More than 100 children have been born using frozen eggs. Egg freezing's success rates are increasing, but they are still much lower compared to in vitro fertilization moms over 50 with fresh eggs. In one moms over 50 of the most recent studies reported on the technology, 237 of 737 eggs survived after thawing. The Italian researchers achieved fertilization with 123 of the eggs, transferred embryos into 104 wombs, and achieved 15 pregnancies moms over 50 and 13 births. That's a success rate comparable to in vitro fertilization for a 42-year-old woman using unfrozen eggs. Still, some women (the company will not reveal how many) are so confident in the promise of this research that they pay $400 per year for Extend Fertility's egg-freezing services.
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