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Pregnancy Due Date Calculator
Understanding Pregnancy Calculations
This calculator uses Naegele's Rule to estimate your due date:
Due Date = LMP + 280 days
Key Pregnancy Milestones:
First Trimester: Weeks 1-12 (Organ development)
Second Trimester: Weeks 13-26 (Growth phase)
Third Trimester: Weeks 27-40 (Final preparation)
Note: Only 5% of babies are born on their exact due date. This estimate should be confirmed with ultrasound dating. Always consult your healthcare provider for personalized pregnancy care.