Does blastocyst culture eliminate paternal chromosomal defects and select good embryos?: inheritance of an abnormal paternal genome following ICSI.

Abstract excerpt

Following intracytoplasmic sperm injection (ICSI), approximately 60-70% of oocytes are fertilized and of these embryos, approximately 45% withstand in-vitro culture conditions to produce healthy blastocysts. The efficiency of implantation of 2-4-cell embryos selected at the pronuclear stage and that of blastocysts are comparable. However, prolonged selection of embryos in vitro (4-5 days), has been proposed to...

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