Mechanisms of non-disjunction in human female meiosis: the co-existence of two modes of malsegregation evidenced by the karyotyping of 1397 in-vitro unfertilized oocytes

Abstract excerpt

BACKGROUND: Although numerous studies have been published on the chromosomal constitution of in-vitro unfertilized human oocytes, data remain highly variable and controversial because of the size of oocyte samples, technical reservations and potential misinterpretation. METHODS: A cytogenetic study was undertaken on 3042 unfertilized human oocytes recovered from 792 women participating in an IVF programme for...

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