Table 2 Clinical characteristics of the study population
Characteristics | Pregnant women carrying trisomy 21 fetuses (n = 12) | Pregnant women carrying normal fetuses (n = 38) | Non pregnant women (n = 6) | Pvalue |
|---|---|---|---|---|
Age (years) | 32.9 ± 3.5 | 35.3 ± 4.1 | 29.5 ± 0.7 | 0.198a |
Body mass index (kg/m2) | 21.7 ± 2.5 | 21.4 ± 2.6 | 21.1 ± 0.3 | 0.859a |
Gestational age (weeks) | 11.8 ± 0.8 | 12.2 ± 0.6 | - | 0.182b |
Gender-ratio of fetus (male: female) | 4:8 | 14:24 | - | - |