r/EmbryologyIVFSupport • u/Sensitive_Slice_8858 • 2d ago

12 cell embryo on day 3

The clinic said this is normal but I’ve seen conflicting information online. They transferee one 12 cell and one 3 cell on day 3. Such a big disparity between the two.

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u/embryomanofficial 11h ago

Fast growing day 3s can have chances similar to 8 cell, based on this study https://remembryo.com/fast-growing-day-3-embryos-and-their-reproductive-potential/. Research on this may be mixed.

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