Table 1 Baseline characteristics of PCOS and tubal transferred cohorts on D3, D4, and D5

Cycles

81

117

44

486

768

168

Age (years)

28.46 ± 3.97

29.00 ± 3.97

28.25 ± 3.50

0.421

30.26 ± 4.08*

30.83 ± 3.86**

30.01 ± 4.19

0.009

Type of infertility

0.100

0.317

Primary

69.14(56/81)

59.83(70/117)

72.73(32/44)

27.78(135/486)

26.95(207/768)

32.74(55/168)

Secondary

30.86(25/81)

40.17(47/117)

27.27(12/44)

72.22(351/486)

73.05(561/768)

67.26(113/168)

Infertility duration (year)

4.32 ± 2.93

4.63 ± 2.76

5.30 ± 2.98

0.192

3.48 ± 2.54

3.85 ± 2.90

3.52 ± 2.78

0.050

BMI (kg/m²)

25.06 ± 3.10

25.71 ± 3.16

25.96 ± 2.92

0.217

23.37 ± 3.08

23.77 ± 3.21

23.60 ± 2.94

0.089

FSH (mIU/mL)

6.01 ± 1.66

6.15 ± 1.79

5.93 ± 1.45

0.734

6.72 ± 2.25

6.71 ± 2.28

6.57 ± 1.70

0.730

AMH (ng/ mL)

7.55 ± 4.82

7.77 ± 3.92

7.91 ± 3.20

0.884

3.21 ± 2.12*

3.80 ± 2.28

3.93 ± 2.22***

0.000