Weight Category Before Pregnancy | BMI | Total Weight Gain |
---|---|---|
Underweight | Less than 18.5 | 28–40 lb (12.5–18 kg) |
Normal weight | 18.5–24.9 | 25–35 lb (11.5–16 kg) |
Overweight | 25.0–29.9 | 15–25 lb (7.0–11.5 kg) |
Obese (includes severely obese) | 30.0 or higher | 11–20 lb (5–9 kg) |
BMI = body mass index, which is weight in kilograms divided by height in meters squared; kg = kilogram. | ||
Adapted from Institute of Medicine: Report Brief: Weight Gain During Pregnancy: Reexamining the Guidelines. 2009. Accessed 5/3/21. |