Table 2.

Clinical characteristics of the population.

Primers	Control (n = 13)	RSA (n = 15)
Age (years)	30.17 ± 2.05	30.63 ± 3.97
BMI (kg/m2)	21.17 ± 4.15	22.74 ± 3.89
Gestation week	7.17 ± 2.15	7.67 ± 2.01
Number of pregnancy	1.47 ± 0.35	2.59 ± 0.82
Number of miscarriage	0.77 ± 0.35	2.67 ± 0.55**
Number of live birth	1.56 ± 0.35	0.00 ± 0.00**

RSA, recurrent spontaneous abortion; BMI, body mass index.

**p < 0.01.