Table 3.
Obstetric outcomes according to weight gain
| Weight gain during pregnancy (kg) | Under recommendation* | Recommendation | Over recommendation | p-value | |
|---|---|---|---|---|---|
| Underweight (BMI < 18.5) | Maternal complications | 30 (17.3) | 18 (8.9) | 2 (4.8) | 0.0136 |
| Neonatal complications | 75 (43.4) | 54 (26.7) | 8 (19.1) | 0.0004 | |
| Cesarean section | 48 (27.8) | 62 (30.7) | 16 (38.1) | 0.4150 | |
| Normal (18.5 ≤ BMI < 23) | Maternal complications | 111 (21.5) | 82 (11.6) | 33 (9.9) | < 0.0001 |
| Neonatal complications | 171 (33.1) | 186 (26.4) | 87 (26.1) | 0.0180 | |
| Cesarean section | 171 (33.1) | 224 (31.7) | 137 (41.0) | 0.0107 | |
| Overweight (23 ≤ BMI < 25) | Maternal complications | 9 (31.0) | 15 (19.2) | 28 (21.7) | 0.4006 |
| Neonatal complications | 13 (44.8) | 27 (34.6) | 41 (31.8) | 0.3927 | |
| Cesarean section | 12 (41.4) | 35 (44.9) | 61 (47.3) | 0.8310 | |
| Obese (25 ≤ BMI) | Maternal complications | 10 (38.5) | 19 (38.0) | 39 (30.5) | 0.5298 |
| Neonatal complications | 11 (42.3) | 23 (46.0) | 42 (32.8) | 0.2231 | |
| Cesarean section | 15 (57.7) | 25 (50.0) | 75 (58.6) | 0.5767 | |
Based on chi-square or Fisher's exact test (count, %)
BMI, body mass index; C/S, cesarean section
*Recommended gestational weight gain; underweight: 12.5-18 kg, normal: 11.5-16 kg, overweight: 7-11.5 kg, obese: 5-9.1 kg