Table 3 Outcomes of ≤ 30 years women with PCOS and tubal transferred cohorts on D3, D4, and D5

Cycles

58

80

32

257

351

97

Age (years)

26.48 ± 2.50

27.11 ± 2.63

26.56 ± 2.21

0.295

27.06 ± 2.31

27.42 ± 2.40

27.06 ± 2.66

0.137

Infertility duration (year)

3.79 ± 1.86

4.15 ± 2.13

4.38 ± 2.46

0.885

3.17 ± 2.01

3.34 ± 2.14

3.39 ± 2.56

0.550

BMI (kg/m²)

25.05 ± 3.14

25.25 ± 3.10

25.56 ± 3.04

0.648

23.26 ± 3.25

23.55 ± 3.34

23.50 ± 3.21

0.549

Endometrium thickness(mm)

10.43 ± 2.08*

11.84 ± 2.01

11.05 ± 1.94

0.000

11.28 ± 2.16

11.48 ± 2.05

11.69 ± 2.26

0.216

Pregnancy rate, %

46.55(27/58)*

78.75(63/80)

62.50(20/32)

0.000

62.26(160/257)

66.10(232/351)

68.04(66/97)

0.489

Implantation rate, %

31.90(37/116)*

60.87(84/138)

56.25(27/48)***

0.000

44.34(227/512)*

51.72(315/609)

57.05(89/156)***

0.006

Ectopic pregnancy rate, %

7.41(2/27)

1.59(1/63)

5.00(1/20)

0.376

2.50(4/160)

0.86(2/232)

1.52(1/66)

0.430

Miscarriage rate, %

29.63(8/27)*

7.94(5/63)

20.00(4/20)

0.027

16.88(27/160)

14.66(34/232)

15.15(10/66)

0.834

Multiple pregnancy rate, %

37.04(10/27)

33.33(21/63)

35.00(7/20)

0.943

41.25(66/160)

35.34(82/232)

34.85(23/66)

0.446

Live birth rate, %

31.03(18/58)*

71.25(57/80)**

46.88(15/32)

0.000

50.19(129/257)

55.84(196/351)

56.70(55/97)

0.323