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2009Institute of Medicine (IOM), recommendations for total weight gain during pregnancy, by pre‐pregnancy BMI
| Pre‐pregnancy BMI | BMI (kg/m2) | Total weight gain range (kg) |
|---|---|---|
| Underweight | <18.5 | 12.7–18 |
| Normal weight | 18.5–24.9 | 11.3–15.9 |
| Overweight | 25.0–29.9 | 6.8–11.3 |
| Obese (all classes) | >30 | 5–9 |
Note. BMI = body mass index.
