Variables

Fresh D3-ET (N = 757)

Frozen D3-ET (N = 429)

Frozen D5-ET (N = 391)

Age

33.99 ± 5.53

33.22 ± 5.91

32.85 ± 4.49

Primary infertility (n, %)

38.97%

36.60%

33.25%

No. of IVF cycles (n, %)

82.17%

81.35%

81.07%

Tubal factor (n, %)

46.10%

41.72%

44.87%

Thickness of endometrium

11.31 ± 7.48*

9.97 ± 1.97

10.43 ± 6.79

No. of embryos transferred

1.98 ± 0.3*

2.07 ± 0.44*

1.65 ± 0.48*

Miscarriage rate

11.46%

13.77%

10.70%

Clinical pregnancy rate

46.10%

38.93%

62.15%*

Ectopic pregnancy rate

2.29%

2.99%

0.41%*