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Calculate your due date and track your pregnancy week by week
Most accurate if you have regular 28-day cycles
Enter your pregnancy details to calculate due date
Example Calculation:
Last period: June 1, 2024 → Due date: March 8, 2025
Currently: 12 weeks pregnant (First trimester)
Weeks 1-13
Positive pregnancy test possible
First prenatal visit
Risk of miscarriage decreases
Weeks 14-27
Gender may be detectable
Anatomy scan ultrasound
Viability begins
Weeks 28-40+
Third trimester begins
Kicks become stronger
Baby may drop lower
Due date arrives
Only about 5% of babies are born on their exact due date. Most arrive within 2 weeks before or after. First trimester ultrasound dating is most accurate (±5-7 days).
If you're unsure of your LMP, a first-trimester ultrasound provides the most accurate dating. You can also estimate based on conception date (if known) or fertility treatments.
Previously 37-42 weeks, but now categorized as: Early term (37-38 weeks), Full term (39-40 weeks), Late term (41 weeks), Postterm (42+ weeks).
Monitor your progress and prepare for each milestone
Note: This calculator provides estimates. Always consult your healthcare provider for medical advice.