> The percentage of IVF cycle starts that resulted in live births was 41.5% in women younger than 35 years, 31.9% in women aged 35–37 years, 22.1% in women aged 38–40 years, 12.4% in women aged 41–42 years, 5% in women aged 43–44 years, and 1 % for women older than 44 years. In contrast, in patients who used eggs obtained from healthy, young donors, 51% of fresh transfers resulted in a live birth, regardless of the age of the recipient.
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