Enter the first day of your last menstrual period to estimate your due date, conception window, and current trimester.
Your Information
Your Results
Estimated Due Date
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How Far Along
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Trimester
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Important dates
Conception window:—
1st trimester ends:—
2nd trimester ends:—
Full term reached:—
What's happening now
Products you'll want soon
Please note: This calculator provides an estimate only. Only about 5% of babies are born on their estimated due date. Your healthcare provider's calculation, which may include an early ultrasound, is the most accurate.