🤰
Pregnancy Weight Gain Calculator
Calculate recommended weight gain during pregnancy based on pre-pregnancy BMI.
About This Calculator
IOM/ACOG guidelines recommend 25–35 lbs total gain for normal-weight women (BMI 18.5–24.9), 28–40 lbs for underweight women, and 11–20 lbs for obese women. Most gain should occur in the second and third trimesters (1–2 lbs/month in the first trimester).