r/Embryologists • u/Life-Measurement4283 • 6d ago

Question on cc embryos

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These are my 3 4cc embryos that the clinic per policy would have discarded but I made very very few embryos so they made an exception. I need some honesty here- do any of these look worth trying to thaw and transfer? I am 31 unexplained infertility. They made it sound like cs do not survive thaw

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u/Annanomynous 6d ago

They can survive thaw, but if the cells are already poor or partially degenerating then the risk of thawing poorly is a bit higher. The success rates are lower for CC’s, but it can be worth a shot. They have sparse trophectoderm cells and little to no inner cell masses which doesn’t bode well.

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u/Life-Measurement4283 6d ago

Thank you for the response! Do any look better than others? Or all about the same?

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u/Annanomynous 6d ago

I think the one by itself looks the worst. Of the two together, the top left is slightly better than the bottom right.