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Pregnancy Weight Gain Calculator

IOM-recommended weight gain ranges by pre-pregnancy BMI.

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Results

Recommended Total Gain —
BMI Category —

How to use the Pregnancy Weight Gain Calculator

Enter your pre-pregnancy BMI for the Institute of Medicine's recommended gain range.

Frequently Asked Questions

Not quite — only ~340 extra kcal/day in the 2nd trimester and ~450 in the 3rd. Quality matters more than quantity.

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