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| Prepregnancy BMI (kg/m2) | Recommended GWG (kg) | Recommended GWG (lb) |
|---|---|---|
| Underweight: BMI < 18.5 | 12.5–18 | 28–40 |
| Normal weight: 18.5< BMI<25 | 11.5–16.0 | 25–35 |
| Overweight: 25<BMI<30 | 7.0–11.5 | 15–25 |
| Obese: BMI>30 | 5.0–9.0 | >15 |
Ref [11]: Institute of Medicine. Weight Gain during pregnancy: reexamining the guidelines, Washington, DC: National Academies Press; 2009
