Pregnancy Weight Gain Tracker
See if your pregnancy weight gain is on track with personalized IOM-based recommendations.
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Your pregnancy weight gain
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What are IOM guidelines?
The Institute of Medicine provides evidence-based recommendations for healthy weight gain during pregnancy based on your pre-pregnancy BMI.
Why does weight gain matter?
Gaining the right amount supports your baby's growth and development, and helps reduce the risk of complications for both you and your baby.
Every body is different
These are general guidelines. Your healthcare provider may have specific recommendations based on your unique health profile and pregnancy.
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Common Questions
- How much weight should you gain during pregnancy?
- The IOM provides general ranges based on pre-pregnancy BMI — for example, 25-35 pounds for normal-weight women. These are for singleton pregnancies. Your provider will recommend a personalized target based on your health, pregnancy type, and medical history.
- Is it normal to lose weight in the first trimester?
- Losing a few pounds in the first trimester due to morning sickness is common. Most women gain only 1-5 pounds in the first trimester. If you're losing weight or struggling to keep food or fluids down, reach out to your provider — they can assess whether you need additional support.
- Where does pregnancy weight gain go?
- For a 30-pound gain: the baby accounts for about 7.5 pounds, the placenta 1.5 pounds, amniotic fluid 2 pounds, uterus growth 2 pounds, breast tissue 2 pounds, increased blood volume 4 pounds, extra fluid 4 pounds, and maternal fat stores 7 pounds.
For educational purposes only — not a substitute for professional medical advice. Always consult your pediatrician with questions about your child's health.