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RNnoturwaitress t1_ixme2xc wrote

Reply to comment by thephantom1492 in If freezing tissue generally damages the cells, how are we able to freeze human eggs and embryos for birthing later? by badblackguy

Eggs don't freeze as well as embryos for some reason. Also, some women have very few eggs, so they might not have many more. To the majority of those undergoing fertility treatments, every egg and sperm are precious.

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Lady_Nimbus t1_ixn9cpe wrote

Eggs don't freeze as well because it's one cell vs. an embryo that is multiple cells. An embryo may survive the death of a couple of its' cells. An egg won't because it's just one cell and that's all there is.

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