Among them, 68.2% showed normal fertilized pronuclei and 55 embryos were available for embryo biopsy.The success rate of biopsy was 85.5%, with further cleavage rate of 61.7%.

• 植入前性别诊断可选择女性胚胎移植入子宫，从而避免选择性流产和重型患儿的出生[1]。