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Relationship between first polar body morphology before intracytoplasmic sperm injection and fertilization rate, cleavage rate, and embryo quality

23 Dec 2008

Abstract excerpt

OBJECTIVES: To evaluate the influence of the morphology of the first polar body (PB) on intracytoplasmic sperm injection (ICSI) outcomes. METHODS: The morphology of the first PB was assessed in 3177 metaphase II oocytes and classified as: intact and normal size, fragmented, or enlarged size. The rates of fertilization, cleavage, and embryo quality were evaluated on day 2. RESULTS: The rates of fertilization,...

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Identifiers

PMID: 19105998
DOI: 10.1016/j.ijgo.2008.11.008

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