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Due Date Calculator - Estimate Your Baby's Due Date
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Due Date Calculator

Result

Pregnancy Timeline

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How is the Due Date Calculated?

The most common method to calculate a due date is based on the first day of your last menstrual period (LMP). An estimated due date can be calculated by adding 280 days (40 weeks) to the first day of your LMP. This calculator uses this method and also adjusts for your average cycle length for a more accurate prediction.

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