Embryo quality can be rated combining three indicators – morphology, kinetics and genetics. The ability of an embryo to be implanted by 25% depends on its morphology, 25% on kinetics and 50% on genetics.
We'll talk about embryo morphology today.
Embryo morphology is visual embryo assessment by cell count and size and fragmentation amount in an embryo.
From the second blastocyst development stage (BC2), it is possible to rank inner cell mass and trophectoderm (Gardner et al. 1999):
Follow our publications! Next time – the story of embryo kinetics.
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