Results 64% of oocytes were normal, 36% of oocytes were aneuploidy, of which 22% were due to nondisjunction and 14% unbalanced predivision.

• 结果64%25的卵细胞核型正常,36%25的卵细胞为非整倍体,其中22%25为同源染色体不分离,14%25为姐妹染色单体非平衡性过早分离。