TABLE 1.
Characteristics of the study population1
| Nonpregnant (n = 8) | First trimester (n = 10) | Second trimester (n = 5) | Third trimester (n = 10) | |
| Age (y) | 23.25 ± 3.99 | 25.4 ± 3.66 | 23.40 ± 3.81 | 23.07 ± 4.65 |
| (18–31) | (19–32) | (19–32) | (18–32) | |
| Weight (kg) | 63.13 ± 7.20 | 58.50 ± 7.76 | 64.0 ± 4.12 | 70.10 ± 10.05 |
| (55–74) | (44–70) | (57–68) | (50–87) | |
| BMI (kg/m2) | 23.98 ± 1.27 | 22.21 ± 2.81 | 25.03 ± 1.99 | 23.52 ± 3.72 |
| (21.99–25.61) | (17.19–26.03) | (22.27–26.71) | (17.01–27.89) | |
| GA at study (wk) | — | 11.80 ± 1.50 | 20.80 ± 1.92 | 30.20 ± 1.03 |
| — | (9–14) | (19–24) | (29–32) | |
| MTHFR 677C→T | ||||
| N | 7 | 7 | 4 | 5 |
| HTZ | — | 3 | — | 4 |
| HZ | 1 | — | 1 | 1 |
1
All values are means ± SDs; ranges in parentheses. GA, gestational age; N, normal; HTZ, heterozygous; HZ, homozygous.