What the tool does, how to run it, and what to expect from the result.
The Institute of Medicine (2009) ties recommended gain to pre-pregnancy BMI: underweight 28-40 lb, normal 25-35 lb, overweight 15-25 lb, obese 11-20 lb. For twins: normal 37-54 lb, overweight 31-50 lb, obese 25-42 lb. A 165 cm, 62 kg woman has a BMI of 22.8, so the range is 25-35 lb (11.3-15.9 kg), about 1 lb a week after the first trimester.
A quick way to understand who this helps, what it solves, and where it connects next.
Anyone tracking fitness or health numbers, plus students and clinicians double-checking a formula.
Using the pregnancy weight gain calculator without installing anything or signing up.
Short answers for the questions people usually have before trying a utility like this.
About 1.1-4.4 lb (0.5-2 kg) in total for most women. Most of the gain comes in the second and third trimesters.
The IOM did not set one because data were too limited. Your obstetrician will give a personal target.
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Enter your numbers and the result updates live in your browser. Nothing is uploaded and no server is used.
Calculations run locally in your browser. An estimate for general guidance, not medical advice.