Table 1.
Clinical characteristics of the women with uncomplicated pregnancy in the longitudinal cohort
| Mean or % | Lower 95% CI | Upper 95% CI | |
|---|---|---|---|
| Maternal age (y) | 30.7 | 28.7 | 32.7 |
| Maternal BMI (kg/m2) | 24.0 | 22.1 | 26.0 |
| Primiparity (%) | 85 | ||
| Actual smoking status (%) | 15 | ||
| Mode of delivery (% c-section) | 25 | ||
| Fetal gender (% female) | 55 | ||
| WOG at delivery (w) | 40.2 | 39.8 | 40.6 |
| Neonatal birth weight (g) | 3536 | 3380 | 3692 |
| Neonatal weight percentile | 50.5 | 41.7 | 59.2 |
| Gestational age at first blood collection (w) | 9.9 | 8.9 | 10.9 |
| Gestational age at second blood collection (w) | 26.1 | 25.3 | 27.0 |
| Gestational age at third blood collection (w) | 36.5 | 36.0 | 37.0 |
| Weeks post partum at blood collection (w) | 12.5 | 20.6 | 4.5 |
WOG week of gestation