Gestational weight gain in singleton pregnancies by prepregnancy BMI in Nova Scotia, 2003–2013: N = 54 289.
| PREPREGNANCY BMI | N | MEDIAN (IQR) GESTATIONAL WEIGHT GAIN, KG | RELATIVE TO RECOMMENDATIONS, % | ||
|---|---|---|---|---|---|
| BELOW | WITHIN | ABOVE | |||
| All women | 54 289 | 14.9 (11.0 to 19.1) | 15.8 | 26.3 | 57.9 |
| Underweight | 2118 | 16.2 (13.0 to 20.2) | 22.0 | 39.5 | 38.5 |
| Normal weight | 26 336 | 15.9 (12.7 to 19.7) | 17.9 | 32.6 | 49.6 |
| Overweight | 13370 | 15.0 (11.2 to 19.5) | 8.4 | 18.7 | 72.8 |
| Obese | 12 465 | 11.2 (6.6 to 16.3) | 18.3 | 19.0 | 62.7 |
BMI—body mass index, IQR—interquartile range.