Pregnancy Due Date

Calculate your pregnancy due date and track important milestones throughout your pregnancy journey.

Calculate Due Date

First Day of Last Menstrual Period (LMP): Enter the first day of your last menstrual period

Conception/Ovulation Date: Enter the estimated date of conception or ovulation

Known Due Date: Enter your known due date to see current progress

Your Due Date

January 1, 2025

40 weeks from LMP

Pregnancy Progress

Not started yet

Current Week

280

Days Remaining

1st

Current Trimester

1st Trimester

Weeks 1-13

2nd Trimester

Weeks 14-27

3rd Trimester

Weeks 28-40

Important Milestones

End of 1st Trimester (Week 13)

Start of 2nd Trimester (Week 14)

Halfway Point (Week 20)

Start of 3rd Trimester (Week 28)

Full Term (Week 37)

How to Use

Calculate Your Due Date

Choose your calculation method (LMP, Conception Date, or Known Due Date)
Enter the appropriate date
Click "Calculate" to see your due date and pregnancy progress

Calculation Methods

Last Menstrual Period (LMP): Most common method. Due date is 280 days (40 weeks) from the first day of your last period.
Conception Date: If you know when conception occurred, due date is 266 days (38 weeks) from that date.
Known Due Date: If you already have a due date from your doctor, use this to track your progress.

Understanding Trimesters

1st Trimester: Weeks 1-13. Early development, morning sickness common.
2nd Trimester: Weeks 14-27. Energy returns, baby movement felt.
3rd Trimester: Weeks 28-40. Final growth, preparation for birth.

Important Notes

This calculator provides estimates. Only 5% of babies are born on their exact due date.
Full term is considered 37-42 weeks.
Always consult with your healthcare provider for accurate medical advice.
Due dates can be adjusted based on ultrasound measurements.

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