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CalcWolf Pregnancy Calculateur de Prise de Poids Grossesse
Pregnancy

Healthy Pregnancy Weight Gain Tracker

Calculate recommended weight gain by trimester based on your pre-pregnancy BMI. ACOG guidelines.

📅 Updated April 2026 Formula verified 📖 4 min read 🆓 Free · No sign-up

Recommandations par IMC

IMC bas (<18,5) : 12,5-18 kg. IMC normal (18,5-24,9) : 11,5-16 kg. Surpoids (25-29,9) : 7-11,5 kg. Obésité (30+) : 5-9 kg. Répartition : bébé 3,5 kg, placenta 0,7 kg, liquide amniotique 0,9 kg, utérus 0,9 kg, volume sanguin 1,4 kg, réserves graisseuses 2,7 kg.

Rythme

1er trimestre : 0,5-2 kg total. 2e et 3e : 0,4-0,5 kg/semaine. Une prise soudaine de plus de 1 kg/semaine peut indiquer une rétention de fluides — consultez votre médecin. Ne faites JAMAIS de régime pendant la grossesse sans supervision médicale.

⚡ CalcWolf Insight

A landmark study in Obstetrics & Gynecology found that women who gained within ACOG guidelines had significantly better outcomes: 50% lower C-section rate, 60% lower gestational diabetes rate, and lost pregnancy weight 3x faster postpartum compared to women who gained excessively.

Frequently asked questions
Combien prendre ?
IMC normal : 11,5-16 kg total. 1er trimestre : 0,5-2 kg. Ensuite : ~0,5 kg/semaine. Chaque grossesse est différente.
Trop de poids est-il dangereux ?
Un excès augmente les risques de diabète gestationnel, prééclampsie et césarienne. Mais ne faites jamais de régime sans avis médical.
✓ Math logic verified against primary sources → See our verification process
Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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