Table 1 Baseline characteristics of MZT for different ART methods

Age (years)

31.9(3.9)

31.8(3.7)

31.6(4.1)

29.1(3.9)

0.085

BMI (kg/m²)

21.3(3.2)

20.9(2.0)

21.6(2.7)

19.9(2.1)

0.174

Basal FSH (IU/L)

5.42(1.24)

5.88(1.40)

5.45(1.31)

5.62(0.99)

0.330

Basal LH (IU/L)

4.22(2.93)

3.90(2.52)

3.42(1.70)

4.43(1.94)

0.202

Total dose of Gn used (IU)

1940(783.5)

1946(630.2)

2325(830.2)

1648(496.4)

0.002

Total days of Gn used

10.3(2.3)

10.3(1.8)

10.6(2.3)

10.1(2.2)

0.764

History of miscarriages*

26(36.6%)

12(34.2%)

43(65.1%)

1(6.7%)

< 0.001

Number of miscarriages

0.6(1.1)

0.4(0.7)

1.4(1.3)

0.1(0.5)

< 0.001