| Characteristics | N | Median (min - max) or % |
| Maternal parameters |
|
|
| Age (years) | 81 | 28.5 (18.0 - 44.0) |
| BMI (kg/m2) |
|
|
| Pre-pregnancy | 81 | 20.6 (15.6 - 35.3) |
| At delivery | 81 | 26.7 (18.9 - 39.6) |
| Smoking | 0 | 0 |
| Alcohol drinking | 0 | 0 |
| Passive smoking |
|
|
| Yes | 9 | 11.1% |
| No | 72 | 88.9% |
| Menarche age | 73 | 14.0 (11.0 - 19.0) |
| Infant parameters |
|
|
| Sex |
|
|
| Boys | 30 | 37.0% |
| Girls | 51 | 63.0% |
| Term (weeks) | 81 | 39.0 (31.0 - 41.0) |
| <37 | 11 | 13.6% |
| ≥37 | 70 | 86.4% |
| Birth weight (g) | 81 | 3300 (1400 - 4450) |
| <2500 | 8 | 9.9% |
| 2500 - 4000 | 70 | 86.4% |
| >4000 | 3 | 3.7% |