Table 6 Difference between women who had positive clinical pregnancy outcome in repeat IVF/ICSI cycle and women who did not regarding retrieved oocytes, fertilization rat, and embryos transferred

No. of retrieved oocytes

 Range

4–25

4–25

0.15

0.958^a

 Median (IQR)

12 (8–19)

13 (7–20)

(− 2.4 to 2.8)

NS

Fertilization rate

 Range

0.5–0.86

0.5–0.83

0.01

0.583^a

 Median (IQR)

0.7 (0.53–0.79)

0.69 (0.57 to 0.73)

(− 0.05 to 0.04)

NS

No. of embryos transferred

 1

14 (35.9%)

15 (24.6%)

 2

11 (28.2%)

26 (42.6%)

1.09^b

0.293^c

 3

14 (35.9%)

20 (32.8%)

(0.79 to 1.49)

NS