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Article

Evaluation of day one embryo quality and IVF outcome – a comparison of two scoring systems

3 Feb 2009

Abstract excerpt

BACKGROUND: The aim of our retrospective study was to compare the clinical usefulness of two non-invasive embryo scoring systems based either on a simplified pronuclear morphology of the zygote or on early cleavage rate, as well as their combination, for the selection of embryos with the best implantation potential in embryo transfer (ET). METHODS: Over a period of five years, the quality of 2708 embryos from 364...

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PMID: 19192281
DOI: 10.1186/1477-7827-7-9

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