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Pregnancy Due Date Calculator
Find your estimated due date and track your pregnancy journey
📅 Calculation Method
Naegele's Rule: LMP + 9 months + 7 days
Typically 14 days after LMP (add 266 days)
🎯 Your Results
Estimated Due Date
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Select a date to calculate
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days left
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Weeks
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Days
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Trimester
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First Trimester
Week 1 - 12
📊 Pregnancy Milestones
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First Trimester
Weeks 1-12
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Second Trimester
Weeks 13-26
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Third Trimester
Weeks 27-40
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Full Term
Week 37-40
How Accurate is the Due Date?
📊 Statistics
- • Only about 5% of babies are born on their due date
- • Most babies arrive between weeks 37-42
- • First-time pregnancies tend to run later
- • Subsequent pregnancies often come earlier
⏰ Factors That Affect Timing
- • Accuracy of LMP date recollection
- • Individual cycle length (not always 28 days)
- • Ovulation timing variation
- • Mother's age and health conditions
Understanding Your Pregnancy Timeline
| Week | Baby Size | Development Milestone |
|---|---|---|
| Week 4 | Poppy seed | Heart begins to beat |
| Week 8 | Raspberry | All organs forming |
| Week 12 | Lime | End of first trimester |
| Week 20 | Banana | Halfway there! |
| Week 28 | Eggplant | Third trimester begins |
| Week 40 | Pumpkin | Full term - Ready to meet! |
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Important Disclaimer
This calculator provides an estimate based on standard medical guidelines. Every pregnancy is unique. This tool is for informational purposes only and should not replace professional medical advice. Always consult with your healthcare provider for personalized guidance throughout your pregnancy journey.