Table 3 Ovarian stimulation parameters and embryology outcomes among the three groups after PSM^a

Number of cycles

113

34

147

-

Gonadotropin dosage (IU)

2057.43 ± 753.74

1947.79 ± 704.97

2138.10 ± 932.72

0.451

Duration of stimulation (days)

9.18 ± 2.10

9.00 ± 1.89

9.09 ± 2.63

0.912

Number of oocytes retrieved (n)

7.78 ± 5.91

7.18 ± 4.29

6.66 ± 4.46

0.210

Fertilization type

0.836

 IVF (n, %)

86(76.1%)

25(73.5%)

119(81.0%)

 ICSI (n, %)

19(16.8%)

6(17.6%)

19(12.9%)

 IVF, R-ICSI (n, %)

8(7.1%)

3(8.8%)

9(6.1%)

Number of available embryos (n)

2.89 ± 3.27

3.26 ± 2.71

2.85 ± 2.77

0.761

Number of treatment cycles before pregnancy (n)

1.26 ± 0.44

1.48 ± 0.73

1.34 ± 0.64

0.288