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About this tool

Due date and weeks of pregnancy.

How we calculate: DPP = DUM + 280 dias (40 semanas de gestação).

Official source: Ministério da Saúde

🗓️ Values updated in Janeiro de 2026. Informational result, with no fiscal or official value.

🤰 Calculadora de Gravidez

Descubra a data provável do parto e a idade gestacional.

📖 How to use this tool

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  1. Informe o primeiro dia da sua última menstruação (DUM).
  2. O sistema calcula a DPP (DUM + 280 dias) e as semanas atuais.

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⚠️ The results generated by this tool are based on public internet data and are for illustrative purposes only, with no fiscal, legal or official value. Always consult a qualified professional for important decisions. Privacy Policy · Personal Data Statement (LGPD) · Terms of Use.