Table 1.
Underweight | Normal-weight | Overweight | P value | |
---|---|---|---|---|
N (% of total subjects) | 1, 203 (19.3%) | 3, 281 (61.3%) | 1, 209 (19.4%) | |
Maternal age | 29.5 ± 3.9 | 31.4 ± 4.3 | 32.6 ± 4.2 | <0.001abc |
Gravity | 2.2 ± 1.2 | 2.1 ± 1.2 | 2.1 ± 1.2 | 0.532 |
Parity | 0.5 ± 0.6 | 0.5 ± 0.6 | 0.4 ± 0.6 | 0.608 |
Height | 1.60 ± 0.05 | 1.60 ± 0.05 | 1.60 ± 0.05 | 0.428 |
Pre-pregnancy weight | 45.1 ± 3.2 | 52.8 ± 4.5 | 64.2 ± 7.1 | <0.001abc |
Pre-pregnancy BMI | 17.5 ± 0.8 | 20.6 ± 1.2 | 25.1 ± 2.2 | <0.001abc |
GWG | 13.7 ± 4.6 | 13.3 ± 4.3 | 11.4 ± 4.7 | <0.001bc |
GDM (% of each group) | 205 (17.0%) | 689 (21.0%) | 355 (29.4%) | <0.001abc |
Preeclampsia (% of each group) | 30 (2.5%) | 105 (3.2%) | 104 (8.6%) | <0.001bc |
Preterm birth (% of each group) | 83 (6.9%) | 266 (8.1%) | 114 (9.4%) | 0.219 |
PPH (% of each group) | 54 (4.5%) | 256 (7.8%) | 80 (6.6%) | 0.007a |
LGA (% of each group) | 23 (1.9%) | 177 (5.4%) | 89 (7.4%) | <0.001abc |
SGA (% of each group) | 200 (16.6%) | 318 (9.7%) | 70 (5.8%) | <0.001abc |
BMI, body mass index; GWG, gestational weight gain; GDM, gestational diabetes mellitus; PPH, postpartum hemorrhage; LGA, large for gestational age; SGA, small for gestational age.
a, b, cindicates a significant difference between underweight and normal weight, underweight and overweight, and normal weight and overweight, respectively.