Pregnancy Calculator
Calculate your pregnancy due date from your last menstrual period. Get accurate pregnancy timeline and important milestones.
Calculate Your Due Date
How It Works
1
Enter the first day of your last menstrual period
2
Select your average cycle length (usually 28 days)
3
Get your estimated due date and pregnancy timeline
Important Note
This calculator provides an estimate based on a 280-day pregnancy. Your actual due date may vary. Always consult with your healthcare provider for accurate medical information.
About Pregnancy Calculation
How Due Dates Are Calculated
Pregnancy is typically calculated as 280 days (40 weeks) from the first day of your last menstrual period. This is called the gestational age.
Important Factors
- • Based on 28-day menstrual cycle
- • Assumes ovulation on day 14
- • Actual pregnancy length varies
- • Ultrasound provides more accuracy
When to See Your Doctor
- • Schedule first prenatal visit at 8-12 weeks
- • Regular check-ups throughout pregnancy
- • Discuss any concerns immediately
- • Follow recommended screening schedule
Disclaimer
This calculator is for informational purposes only. Always consult with your healthcare provider for medical advice and accurate pregnancy information.