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CalcWolf Pregnancy Calculadora de Ganho de Peso na Gravidez
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

Recomendações por IMC

IMC baixo (<18,5): 12,5-18 kg. Normal (18,5-24,9): 11,5-16 kg. Sobrepeso (25-29,9): 7-11,5 kg. Obesidade (30+): 5-9 kg. Distribuição: bebê 3,5 kg, placenta 0,7 kg, líquido amniótico 0,9 kg, útero 0,9 kg, volume sanguíneo 1,4 kg, reservas 2,7 kg.

Ritmo

1º trimestre: 0,5-2 kg total. 2º e 3º: 0,4-0,5 kg/semana. Ganho súbito de mais de 1 kg/semana pode indicar retenção de líquidos — consulte o obstetra. NUNCA faça dieta na gravidez sem supervisão médica.

⚡ 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
Quanto engordar?
IMC normal: 11,5-16 kg total. 1º tri: 0,5-2 kg. Depois: ~0,5 kg/semana.
Excesso é perigoso?
Aumenta riscos de diabetes gestacional, pré-eclâmpsia e cesárea. Mas nunca faça dieta sem acompanhamento.
✓ 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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Found a bug or outdated data? Reports go directly to Kevin and are reviewed personally.