Which embryo transfer day boosts live births for older women with low egg reserve?

NCT ID NCT07533695

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether transferring an embryo on day 2 or day 3 after fertilization leads to more live births in women aged 35 or older with low ovarian reserve. About 470 women will be randomly assigned to one of the two transfer times. The goal is to find out which timing is safer and more effective for this group.

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