How much weight should I gain during pregnancy?

Recommended weight gain depends on your pre-pregnancy BMI. Women with a normal BMI are advised to gain between 25 to 35 lbs (11.5–16 kg).

Why does gestational weight gain matter?

Healthy weight gain supports fetal development, reduces risk of gestational diabetes, preeclampsia, and preterm delivery, and eases postpartum recovery.

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Pregnancy Weight Gain Calculator

Check the recommended weight gain curve for your pregnancy. Calculations are personalized based on your pre-pregnancy height and weight.

Calculate Recommended Gain

Pre-pregnancy Weight (kg)

Height (cm)

Current Week of Pregnancy

Weight Distribution

Weight gain is not just fat. It is composed of: baby weight (~7.5 lbs), placenta (~1.5 lbs), amniotic fluid (~2 lbs), breast enlargement (~2 lbs), and fluid/blood volume increases.