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Grade B Embryo
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Grade B Embryo

Quality B embryos present localized fragmentation that occupies between 10 and 25% of the size. Their blastomeres are not perfectly symmetrical although they do have a single nucleus. The zona pellucida can be normal or present alterations in some cases.

By BSc, MSc (senior clinical embryologist), BSc, MSc, PhD (senior clinical embryologist), MD, FACOG, FACS, FACE (reproductive endocrinologist), BSc, MSc (embryologist), BSc, MSc (embryologist), BSc, MSc (embryologist) and (invitra staff).
Last Update: 10/24/2019