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Pregnancy Due Date

Calculate your estimated due date based on last menstrual period.

Pregnancy Due Date

Method

Lmp

Clinical Standards

Pregnancy Timeline

Ready Desc

Overview

The estimated due date is calculated using Naegele rule.

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Pro Tips

Only 5% of babies are born on their due date.
Ultrasound dating is more accurate than LMP dating.

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Fun Facts

"Pregnancy lasts approximately 40 weeks from LMP."
"Naegele rule adds 7 days to LMP and subtracts 3 months."

Used with this

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