High outcome predictability after IVF using a combined score for zygote and embryo morphology and growth rate

Abstract excerpt

BACKGROUND: A scoring system has been developed to determine preimplantation embryo quality, and used to select embryos for transfer into the uterus of patients. METHODS AND RESULTS: The system was used to study early embryo development and to test whether these scores alone can accurately predict IVF outcome. Following zygote and embryo scores through early development, the data showed that a top quality zygote...

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