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🤱 Pregnancy Weight Gain Calculator

Calculate recommended pregnancy weight gain based on your pre-pregnancy BMI and current week of pregnancy using IOM guidelines.

IOM Pregnancy Weight Gain Guidelines

The Institute of Medicine (IOM) provides weight gain recommendations based on pre-pregnancy BMI: underweight (28–40 lbs), normal weight (25–35 lbs), overweight (15–25 lbs), and obese (11–20 lbs). These guidelines help optimize outcomes for both mother and baby.

Why Healthy Weight Gain Matters

Gaining the right amount of weight during pregnancy supports your baby's development and helps reduce the risk of complications such as gestational diabetes, preeclampsia, and delivery difficulties.

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