Table 2 Clinical features and outcomes of two endometrial preparation protocols

Maternal age (years)

31.26 ± 4.50

31.61 ± 4.09

0.259

Maternal BMI (kg/m²)

22.95 ± 3.34

22.11 ± 2.90

0.003

Infertility duration (years)

4.10 ± 2.90

4.37 ± 3.23

0.496

Type of infertility, n (%)

0.836

 Primary

260

119

 Secondary

192

91

 Endometrial thickness (mm)

10.48 ± 1.68

10.54 ± 1.48

0.312

 Duration of endometrial preparation (days)

12.21 ± 1.08

12.57 ± 1.43

0.006

 Triple line endometrium, n (%)

388 (85.84)

171 (81.43)

0.145

 HCG positive, n (%)

52 (11.50)

11 (5.24)

0.006

 Clinical pregnancy, n (%)

46 (10.18)

9 (4.29)

0.010

 Ongoing pregnancy, n (%)

44 (9.73)

8 (3.81)

0.008

 Live birth, n (%)

44 (9.73)

8 (3.81)

0.008