Table 1 General data analysis of the FET cycle after hysteroscopy in post-treatment CE patients

Age (years)

35.37 ± 4.67

35.22 ± 5.15

35.11 ± 4.66

35.44 ± 4.56

0.751

BMI (kg/m²)

22.64 ± 3.54

22.95 ± 3.69

22.77 ± 3.67

23.28 ± 3.59

0.464

Basal FSH (IU/L)

6.32 ± 2.42

5.78 ± 2.25

6.6 ± 3.78

6.59 ± 3.21

0.026^a

Basal AFC

10.92 ± 9.12

11.83 ± 10.03

8.55 ± 8.69

9.5 ± 9.10

0.015^b

Cause of infertility(%)

Women

61.45%(102/166)

68.12%(141/207)

64.29%(118/182)

68.81%(150/218)

0.403

Male factor

9.64%(16/166)

13.53%(28/207)

17.03%(31/182)

15.60%(34/218)

0.410

Both

15.66%(26/166)

8.70%(18/207)

6.04%(11/182)

4.59%(10/218)

0.134

Unknown

13.25%(22/166)

9.65%(20/207)

12.64%(23/182)

11.00%(24/218)

0.477

Duration of infertility (year)

3.09 ± 2.63

3.03 ± 2.52

2.76 ± 2.35

3.33 ± 2.54

0.012^c

No. of embryos transferred

1.12

1.21

1.57

1.61

0.065

Type of embryo transfer

Cleavage-stage embryo(%)

18.89%(41/217)

18.60%(56/301)

53.08%(181/341)

75.77%(344/454)

0.001^d

Blastocyst(%)

81.11%(176/217)

81.40%(245/301)

46.92%(160/341)

24.23%(110/454)

0.027^e

Insemination method

IVF(%)

76.56%(147/192)

66.53%(163/245)

65.89%(141/214)

68.01%(185/272)

0.228

ICSI(%)

23.44%(45/192)

33.47%(82/245)

34.11%(73/214)

31.99%(87/272)

0.574