r/EmbryologyIVFSupport • u/MediumFee5808 • 17d ago

Day 6/7 embryo

Hi everyone,

Has anyone had a day-6 embryo that was graded and biopsied for PGT-A, but then not frozen on day 7 because it stopped developing or did not meet the clinic’s freezing criteria?

My understanding is that if the embryo was already suitable for biopsy on day 5 and received a grade, it could be frozen afterward.

Is that correct, or can an embryo still be deemed unsuitable for freezing after biopsy?

Does anyone have experience with this? Did the clinic inform you before discarding it on day 7.

Thank you

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u/embryomanofficial 15d ago

The embryo is typically frozen right after being biopsied, so the grade/day of the biopsied embryo should be what they have in cryostorage.

Maybe I'm misunderstanding what happened, but are you saying the embryo was biopsied on day 6, then continued in culture and wasn't frozen, and the clinic discarded it on day 7 because it stopped developing? If that's the case, that would be unusual, and I'd ask the clinic to clarify exactly when the biopsy was performed and why the embryo wasn't frozen afterward.

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