Pregnancy Weight Gain

Calculate healthy weight gain targets based on your pre-pregnancy BMI and current week.

IOM-compliant
Clinic-backed

Weight targets will appear here

Enter your pre-pregnancy weight and height to see your gain targets.

Total Weight Gain — waiting for your data
BMI Category — waiting for your data
Target Range — waiting for your data
Gain Progress — waiting for your data

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Weight Management Guide

Why it Matters

Staying within recommended weight gain ranges reduces the risk of pregnancy complications like gestational diabetes and hypertension, and supports healthy birth weight for your baby.

BMI-Based Targets

  • Normal BMI: 25-35 lbs (11.5-16 kg)
  • Overweight BMI: 15-25 lbs (7-11 kg)
  • Obese BMI: 11-20 lbs (5-9 kg)
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Frequently Asked Questions

Is weight gain the same in every trimester?

No. Most women gain 1-4 lbs in the 1st trimester. Gain typically increases to about 1 lb per week in the 2nd and 3rd trimesters.

Can I lose weight during pregnancy?

Weight loss is generally not recommended during pregnancy. Always consult your healthcare provider before making significant dietary changes.

Guidance is based on IOM standards. Consult your doctor for personalized medical advice.
Medical Disclaimer: This tool is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider for personalized guidance about your fertility and pregnancy.