Table 2 Patients’ characteristics

number of patients

31

35

maternal age

31.2 ± 2.7

31.7 ± 3.7

retrieved oocytes

10.6 ± 4.7

11.0 ± 4.3

matured oocytes

9.2 ± 3.6

9.6 ± 3.3

fertilized oocytes

6.2 ± 3.1

6.4 ± 2.8

IVF

14

17

ICSI

17

18

male factor

16

15

male factor and famale factor

4

6

anovulation

4

3

endometriosis

4

4

transport

2

1

unexplained

1

6