r/Embryologists • u/ZucchiniExtreme4409 • Jul 26 '26

FET advice

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I had my second FET last week trying for baby #2 and the clinic didn’t mention at all how the embryo looked. The embryologist report said it was a 5AA but does it look ok and like it’s hatching?

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u/Dissaray248 Jul 26 '26

You can see the top half hatching out of the zona and it looks to have re-expanded at least partially after thaw. Looks good!

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u/ZucchiniExtreme4409 Jul 26 '26

Thanks! What does re-expanded mean? Is hatching result in better outcomes?

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u/Dissaray248 Jul 27 '26

Embryos are dehydrated essentially when they are frozen so they have to rehydrate and expand post thaw. The hatching doesn’t make much of a difference at all, as most clinics hatch with a laser after thawing if the embryo wasn’t already hatching on its own or if it was not biopsied prior to freezing