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  3. Pregnancy Due Date Calculator

Date d'Accouchement : Guide

Estimez votre date prévue d'accouchement

  • Estimation de la Date d'Accouchement
  • Formule
  • Conseils
  • How to Use
  • Real-World Applications
  • FAQs

Estimation de la Date d'Accouchement

Calculée à partir du premier jour de la dernière période menstruelle.

The Calculatrice de Date d'Accouchement helps you perform fast, accurate calculations based on your inputs.

It is designed for practical decision-making with clear and actionable outputs.

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Formule

Results are computed using standard formulas tied to the selected calculator type and inputs.

Any input update recalculates the results instantly.

FPA = Date règles + 280 jours (40 semaines)

Conseils

  • Seulement ~5% d'accouchements à la date exacte
  • Grossesse normale : 37-42 semaines
  • Focus on Track your pregnancy progress.
  • Focus on estimate your due date.
  • Focus on and see trimester-by-trimester details.

How to Use

  • Enter the required values in these fields:
  • - Dernières règles (jours passés)
  • - Durée du cycle (jours)
  • Review the instant output and compare scenarios before finalizing your decision.

Real-World Applications

This calculator supports multiple use cases as shown in the table below.

TypeDescription
Infos TrimestreTrimestre actuel et progression
Semaines de GrossesseSemaines et jours exacts

FAQs

Are the results accurate?

Yes, results are computed using standard formulas based on the inputs provided.

Why does a small input change affect the output significantly?

Some formulas are sensitive to inputs, so even small changes can produce noticeable output differences.

Formula: EDD = LMP + 280 + (cycleLength − 28) days

e.g. LMP 60 days ago, 28-day cycle → due in ~220 days · Week 8+4

days ago
days

8w 4d

pregnant

1st Trimester

Estimated Due Date

December 5, 2026

220 days remaining

LMPWk 13 (T2)Wk 28 (T3)EDD
21.4% complete

LMP

February 28

2026

Cycle

28d

standard

Gestation

280d

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