Table 2 Viability and acrosome status of sperm selected by swim-up or swim-up and oocyte ZP binding

SU

n = 1,194

52,8

44 ± 1.8^a

17,9

15 ± 0.8^a

34,0

28 ± 8.3^a

14,7

12 ± 0.6^a

n = 1410

71,8

51 ± 0.9^a*

37,3

26 ± 0.9^a*

17,5

12 ± 0.3^a*

14,4

10 ± 0.5^a

SU + ZP

n = 1,100

64,8

59 ± 0.9^b

34,7

32 ± 1.1^b

40

4 ± 0.3^b

65

6 ± 0.2^b

n = 1350

92,2

68 ± 1.8^b*

23,7

18 ± 0.9^b*

14,3

11 ± 0.5^a*

48

4 ± 0.2^b*