Pregnancy Due Date Calculator

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Calculate Due Date

Calculate your pregnancy due date and track milestones

Calculation Method

Last Menstrual Period (LMP)

Conception Date

Known Due Date

First Day of Last Menstrual Period

Pregnancy Information

Your pregnancy timeline and milestones

Enter a date to calculate pregnancy details

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Pregnancy Milestones

First Trimester (1-12 weeks)

• Baby's organs begin to form
• Heart starts beating (6 weeks)
• Morning sickness may begin
• First prenatal appointment
• Neural tube development

Second Trimester (13-27 weeks)

• Gender can be determined
• Anatomy scan (18-22 weeks)
• Baby's movements felt
• Energy levels improve
• Baby bump becomes visible

Third Trimester (28-40 weeks)

• Rapid weight gain
• Baby's lungs mature
• Braxton Hicks contractions
• Baby drops into position
• Prepare for delivery

Important Note:

This calculator provides estimates based on standard pregnancy duration. Only about 5% of babies are born on their exact due date. Always consult with your healthcare provider for personalized medical advice and accurate dating through ultrasound.