Pregnancy Calculator

Last Period

Conception Date

First Day of Last Period

Please enter a valid date

Average Cycle Length

days

Please enter between 21-45 days

Your Pregnancy Timeline

Due Date

Estimated delivery date

Current Week

Weeks and days pregnant

Trimester

Current stage

Conception

Estimated date

Pregnancy Milestones

First Trimester	Week 1 - Week 12
Second Trimester	Week 13 - Week 26
Third Trimester	Week 27 - Week 40
Fetal Viability	-

Your Pregnancy Progress

Start 0% Due Date

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About This Pregnancy Calculator

Our Pregnancy Calculator helps you estimate important dates and milestones throughout your pregnancy journey using medically accepted calculation methods.

Calculation Methods:

Last Menstrual Period (LMP): Due date calculated by adding 280 days (40 weeks) to first day of last period

Conception Date: Due date calculated by adding 266 days (38 weeks) to conception date

Ultrasound Dating: Uses gestational age to calculate estimated due date

IVF Transfer: Special calculation based on embryo transfer date and embryo age

Note: These calculations are estimates. Your healthcare provider may adjust your due date based on clinical findings.

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