Table 1 Demographic data of the subjects

Age, years (mean ± SD)

39.81 ± 5.62

38.38 ± 5.51

0.243

BMI, kg/m², (mean ± SD)

23.73 ± 2.81

22.32 ± 3.88

0.060

Gestation

2.19 ± 1.20

1.77 ± 1.07

0.055

Delivery

1.07 ± 0.67

1.00 ± 0.56

0.687

Menstrual cycle, days

26.88 ± 3.67

27.97 ± 2.15

0.066

Menstrual period, days

5.81 ± 1.33

5.47 ± 1.32

0.153