Table 2.
Maternal and infant characteristics (n = 55 mother-child pairs)
| Infant sex: male, n (%) | 32 (58.2) | |
| Gestational age (wk) | 39.5 ± 1.07 | 1 |
| Birth weight (g) | 3450 ± 476 | 1 |
| Birth length (cm) | 50.4 ± 2.50 | 1 |
| Delivery method, n (%) | ||
| Spontaneous labour | 31 (56.4) | |
| Elective caesarean | 20 (36.4) | |
| Caesarean after failure to progress in labour | 4 (7.30) | |
| Parity at entry, n (%) | ||
| 0 | 34 (61.8) | |
| 1 | 11 (20.0) | |
| ≥2 | 6 (10.1) | |
| Maternal age (years) | 29.2 ± 5.28 | 1 |
| Maternal BMI before pregnancy (kg/m2) | 22.3 ± 2.6 | 1 |
| Maternal BMI at birth (kg/m2) | 27.8 ± 2.84 | 1 |
| Maternal atopy, n (%) | 16 (29.1) | |
| Tobacco exposition (maternal and/or paternal smoking) in pregnancy, n (%) | 18 (32.7) |
All blood donors.
1 mean ± SD.