Parameter

Single sperm cryopreservation group

Conventional cryopreservation group

P

Two-pronuclear oocyte fertilization rate

59.23 (199/336)

58.84 (3764/6397)

0.910

Day 3 available embryo rate

61.81 (123/199)

63.55 (2392/3764)

0.334

Day 3 good-quality embryo rate

45.73 (91/199)

50.27 (1892/3764)

0.217

Blastocyst formation rate

47.83 (33/69)

49.46 (733/1482)

0.807

Implantation rate

47.37 (9/19)

52.16 (157/301)

0.814

Clinical pregnancy rate

36.84 (7/19)

47.18 (142/301)

0.479

Miscarriage rate

14.29 (1/7)

12.68 (18/142)

1.000

Live birth rate

85.71 (6/7)

81.70 (116/142)

1.000