Pregnancy 1 | Pregnancy 2 | Pregnancy 3 | |
Maternal age (years) | 29.0 (23.9–32.0) | 31.8 (29.0–34.5) | 34.8 (31.6–37.4) |
Maternal weight (kg) | 68.8 (62.0–78.5) | 71.4 (63.6–81.1) | 73.1 (65.1–84.5) |
Body mass index (kg/m2) | 24.9 (22.7–27.3) | 25.7 (23.4–28.8) | 26.0 (23.6–29.3) |
Birth weight (kg) | 4.2 (4.07–4.33) | 4.1 (3.74–4.35) | 4.0 (3.68–4.36) |
Gestational age (days) | 288 (282–292) | 283 (277–288) | 280 (273–287) |
Obese (≥30 kg/m2) | 11.4% (n=32) | 20.0% (n=56) | 22.1% (n=62) |
All values are median with interquartile ranges (25th and 75th) in hypotheses, except for obesity (demonstrated in absolute numbers and percentages). Maternal weight and body mass index were calculated at ≤18 weeks gestation.