Table 1 Characteristics of pregnancies (n = 665).
Maternal characteristics | |
|---|---|
Maternal age (years) | 30.2 (4.7) |
Maternal pre-pregnancy BMI (kg/m2) | 24.8 (4.9) |
Normal weight (BMI ≤ 25) n (%) | 406 (61%) |
Overweight (25 > BMI ≤ 30) n (%) | 159 (24%) |
Obese (BMI > 30) n (%) | 85 (13%) |
Mother smoking (yes/no) | 62 (10%) |
Parity: | |
0 | 254 (38%) |
1 | 282 (42%) |
2 | 96 (14%) |
3 | 17 (3%) |
4 | 4 (0.6%) |
Ultrasound scans: | |
Fetal weight in grams at 20 weeks (mean ± SD) | 328 ± 42.6 |
Fetal weight in grams at 25 weeks | 893 ± 125 |
Fetal weight in grams at 32 weeks | 2089 ± 250 |
Delivery: | |
Gestational age in days | 279 ± 10 |
Vaginal delivery | 577 (87%) |
Cesarean section | 85 (13%) |
Emergency | 51 |
Elective | 34 |
Offspring characteristics | |
Gender (Male/Female)* | 338/317 |
Birth weight (g) | 3580 (474) |
Offspring with a low GRS (2.5th percentile) (n = 17) | |
Birth weight (g) | 3310 (420) |
Length (cm) | 51.5 (1.6) |
Maternal age | 28.8 (4.1) |
Maternal BMI (kg/m2) | 25.5 (4.2) |
Offspring with a high GRS (97.5th percentile) (n = 17) | |
Birth weight (g) | 3785 (356) |
Length (cm) | 52.5 (1.5) |
Maternal age | 31.4 (4.9) |
Maternal BMI (kg/m2) | 25.3 (4.8) |
