Pregnancy Calculator
Calculate your due date, pregnancy weeks, and track important milestones
Pregnancy Information
Calculation Methods:
- • Last Menstrual Period (LMP): Most common method, adds 280 days to LMP
- • Conception Date: If you know when conception occurred, adds 266 days
- • Due Date: If you already know your due date from ultrasound
- • Cycle Length: Adjusts calculation based on your typical cycle
Pregnancy Trimesters:
- • First Trimester: Weeks 1-12 (organ development)
- • Second Trimester: Weeks 13-26 (growth and movement)
- • Third Trimester: Weeks 27-40 (final development)
- • Full Term: 37-42 weeks (safe delivery window)
Important Note:
This calculator provides estimates based on average pregnancy length. Only about 5% of babies are born on their exact due date. Most babies are born within 2 weeks before or after the due date. Always consult with your healthcare provider for accurate pregnancy monitoring and care.