Enhanced Pregnancy Due Date Calculator

Calculate your due date accurately using multiple methods

Methods to Calculate Due Date
Available Methods:
  • Last Menstrual Period (LMP): Most common method, adds 280 days from first day of last period
  • Conception Date: If you know exact conception date, adds 266 days
  • Ultrasound: Uses due date from ultrasound scan (most accurate)
Accuracy of Calculations:

Ultrasound in early weeks (8-13 weeks) is most accurate. LMP method assumes regular 28-day cycle.

Important: Calculated due date is an estimate. Only 5% of women deliver on the exact date. Normal delivery occurs between weeks 37-42.
Calculate Your Due Date
Important Tips
  • Attend all regular prenatal checkups
  • Take prenatal vitamins as prescribed
  • Follow a healthy, balanced diet
  • Exercise safely after consulting your doctor
  • Get adequate rest and sleep
  • Avoid smoking, alcohol, and unprescribed medications
  • Monitor baby movements daily in third trimester
  • Prepare hospital bag by week 36