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Calculate by

Your Due Date

First Day of Your Last Period:

Average Length of Your Cycles:

Ultrasound Date:

Length of Pregnancy at the Time:

Weeks

Days

Myth: Conception calculators can pinpoint the exact moment of conception.

Fact: They estimate the date based on ovulation, but the exact moment varies due to sperm survival.

Here are your results

Most probable conception dates are

July

24

weeks

and

July

24

weeks

Most probable dates of intercourse that led to the pregnancy are

July

24

weeks

and

July

24

weeks

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* The result is an estimate assumed for single pregnancy.
Results for multiple pregnancies may differ.