Parameter

Single sperm cryopreservation group

Conventional cryopreservation group

Z

P

No. of patients

38

618

-

-

Female age (years)

29.08 ± 3.66

30.28 ± 4.75

−1.30

0.194

Male age (years)

31.79 ± 5.32

33.15 ± 6.54

−1.34

0.182

Female BMI (kg/m²)

22.39 ± 2.58

21.97 ± 3.14

1.15

0.252

Infertility duration (years)

3.92 ± 2.78

4.11 ± 3.34

0.15

0.879

Basal FSH (U/L)

6.59 ± 1.75

6.84 ± 2.34

0.17

0.865

Basal LH (U/L)

6.17 ± 4.26

5.60 ± 2.49

−0.26

0.822

Basal E2 (pg/mL)

43.40 ± 22.63

49.27 ± 25.242

0.41

0.685

AMH (ng/mL)

4.31 ± 3.15

3.66 ± 2.40

0.81

0.417

No. of oocytes retrieved per cycle

15.84 ± 8.00

13.80 ± 7.65

1.66

0.097

No. of ICSI oocytes per cycle

8.84 ± 4.01

10.49 ± 6.18

−1.25

0.211

No. of embryos transferred per cycle

1.78 ± 0.43

1.69 ± 0.46

−0.751

0.452