Table 3.
The prevalence of certain levels of gestational weight gain in the first trimester (GWG-F) according to pre-pregnancy BMI among the study sample of pregnant women (n 1910) from Southwest China, 2017
| Underweight | Normal weight | Overweight/obese | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| GDM | GDM | GDM | |||||||||
| GWG-F (kg) | n | n | % | GWG-F (kg) | n | n | % | GWG-F (kg) | n | n | % |
| <0 | 109 | 16 | 14·7 | <0 | 539 | 160 | 29·7 | <0 | 88 | 39 | 44·3 |
| 0–0·4 | 25 | 5 | 20·0 | 0–0·4 | 113 | 38 | 33·6 | 0–0·35 | 11 | 4 | 36·4 |
| 0·4–0·8 | 41 | 8 | 19·5 | 0·4–0·8 | 80 | 32 | 40·0 | 0·35–0·7 | 7 | 2 | 28·6 |
| 0·8–1·2 | 46 | 6 | 13·0 | 0·8–1·2 | 85 | 22 | 25·9 | 0·7–1·05 | 18 | 7 | 38·9 |
| 1·2–1·6 | 20 | 6 | 30·0 | 1·2–1·6 | 84 | 36 | 42·9 | 1·05–1·4 | 10 | 5 | 50·0 |
| 1·6–2 | 25 | 4 | 16·0 | 1·6–2 | 109 | 33 | 30·3 | 1·4–1·75 | 11 | 5 | 45·5 |
| 2–2·4 | 18 | 4 | 22·2 | 2–2·4 | 58 | 24 | 41·4 | 1·75–2·1 | 14 | 6 | 42·9 |
| 2–2·8 | 10 | 2 | 20·0 | 2–2·8 | 53 | 20 | 37·7 | 2·1–2·45 | 4 | 2 | 50·0 |
| 2·8–3·2 | 16 | 4 | 25·0 | 2·8–3·2 | 39 | 14 | 35·9 | >2·45 | 63 | 29 | 46·0 |
| >3·2 | 26 | 5 | 19·2 | >3·2 | 187 | 82 | 43·9 | ||||
GDM, gestational diabetes mellitus.