| Pre-pregnancy body weight status (BMI in kg/m2) | Total weight gain (ranges in kg) | Rate of weight gain in second and third trimester [mean (range) in kg/wk] |
|---|---|---|
| Underweight (<18.5 kg/m2) | 12.5–18.0 | 0.51 (0.44–0.58) |
| Normal weight (18.5–24.9 kg/m2) | 11.5–16.0 | 0.42 (0.35–0.50) |
| Overweight (25.0–29.9 kg/m2) | 7.0–11.5 | 0.28 (0.23–0.33) |
| Obese (≥30 kg/m2) | 5.0–9.0 | 0.22 (0.17–0.27) |
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