Cryopreserved oocytes of infertile couples undergoing assisted reproductive technology could be an important source of oocyte donation: a clinical report of successful pregnancies

Abstract excerpt

BACKGROUND: Surplus oocytes in assisted reproduction treatment cycles could be saved and donated to other couples. ICSI is usually performed for oocytes that have been stored frozen, considering possible exocytosis of cortical granules (CG). The unavoidability of ICSI merits further study. METHODS: We used a slow method to freeze excess oocytes from infertile couples. After thawing, oocytes were fertilized by...

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