Recommended weight gain by pre-pregnancy BMI.
Estimates only - not medical advice.
The Institute of Medicine recommends a total pregnancy weight-gain range based on pre-pregnancy BMI. We compute your BMI, category, recommended total and weekly gain for the 2nd/3rd trimester.
Find more pregnancy and fertility calculators on the home page.
IOM (now NASEM) pregnancy weight-gain guidelines by BMI.
Yes - select twins for the adjusted range.
Gain is usually small early; weekly figures are for the 2nd/3rd trimester.
No - discuss with your provider.