Pregnancy Due Date
HealthEstimate due date, trimester, weeks left
Pregnancy Due Date
Calculate your estimated due date, current trimester, and pregnancy milestones.
Naegele's Rule applied
Estimates due date as 280 days (40 weeks) from the first day of your last period.
• This calculator provides estimates based on a 280-day pregnancy (40 weeks).
• Only about 5% of babies are born on their exact due date.
• Normal delivery can occur 2 weeks before or after the due date.
• Always consult your healthcare provider for accurate medical advice.
Your Estimate
Enter the first day of your last menstrual period to calculate your due date.
How this calculator works
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Review the expected result before making a decision.
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