Pregnancy Calculator

Advanced Pregnancy Calculator

Estimate your due date, conception dates, and track pregnancy progress

First day of last menstrual period

Conception date

Due date

Ultrasound date Pregnancy week at ultrasound Day of week

Average cycle length 21 days 22 days 23 days 24 days 25 days 26 days 27 days 28 days 29 days 30 days 31 days 32 days 33 days 34 days 35 days

Due Date

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Current Week

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Conception Date

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Trimester

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0% of pregnancy completed

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Length

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Weight

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Size Comparison

Most probable conception dates

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Most probable dates of intercourse

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Possible conception dates

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Possible dates of intercourse

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Pregnancy Timeline

The results of this calculator are estimations only. Consult with your healthcare provider for accurate information about your pregnancy.