Table 6 Outcomes of high quality embryos of ≤ 30 years women with PCOS and tubal transferred cohorts on D3, D4, and D5

Cycles

22

78

54

217

27

70

Age (years)

25.64 ± 2.52

26.13 ± 2.05

0.365

26.94 ± 2.82

27.24 ± 2.49

0.457

26.30 ± 2.16

27.21 ± 2.59

0.106

Infertility duration (year)

4.45 ± 2.18

2.55 ± 1.64

0.000

3.98 ± 1.95

3.31 ± 2.06

0.028

3.93 ± 2.38

3.23 ± 2.02

0.151

BMI (kg/m²)

24.95 ± 3.33

22.90 ± 3.35

0.015

25.41 ± 3.02

23.49 ± 3.25

0.000

25.58 ± 3.12

23.57 ± 3.21

0.007

Endometrium thickness(mm)

9.97 ± 2.05

10.93 ± 2.27

0.085

12.08 ± 2.00

11.58 ± 1.98

0.093

11.14 ± 2.07

11.85 ± 2.09

0.139

Pregnancy rate, %

54.55(12/22)

70.51(55/78)

0. 160

83.33(45/54)

70.51(153/217)

0.057

62.96(17/27)

70.00(49/70)

0.505

Implantation rate, %

40.91(18/44)

55.13(86/156)

0.095

72.09(62/86)

59.25(205/346)

0.028

57.89(22/38)

61.68(66/107)

0.681

Ectopic pregnancy rate, %

16.67(2/12)

1.82(1/55)

0.080

2.22(1/45)

0.65(1/153)

0.355

5.88(1/17)

2.04(1/49)

0.426

Miscarriage rate, %

33.33(4/12)

16.36(9/55)

0 0.228

8.89(4/45)

16.99(26/153)

0.183

17.65(3/17)

14.29(7/49)

0.739

Multiple pregnancy rate, %

50.00(6/12)

56.36(31/55)

0.688

37.78(17/45)

33.99(52/153)

0.639

29.41(5/17)

34.69(17/49)

0.691

Live birth rate, %

31.82(7/22)

57.69(45/78)

0. 032

74.07(40/54)

58.06(126/217)

0.031

48.15(13/27)

58.57(41/70)

0.354