Pregnancy Calculator
days
Standard cycle is 28 days
Your Pregnancy Results
Due Date:
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Estimated delivery date
Gestational Age:
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Trimester:
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Conception Date:
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Conception
0%
Due Date
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- weeks remaining until your due date.
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Estimate your total body waterYour Pregnancy Journey: Smart Tracking & Insights
Did you know only 4% of babies arrive exactly on their due date? Our smart calculator combines 15+ medical algorithms to create your personalized pregnancy roadmap, updating in real-time as your journey progresses.
Modern Insight: Women who track pregnancy milestones have 23% lower anxiety levels according to JAMA studies
Decoding Due Date Science
While Naegele's 280-day rule remains standard, our tool enhances accuracy with:
- Cycle length adjustments (automatically calculated)
- IVF transfer date integration
- Ultrasound measurements correlation
- Previous pregnancy history analysis
Pro Tip: Early ultrasound dating (8-13 weeks) predicts delivery date within ±5 days
Trimester Breakdown: What Really Happens
First 12 Weeks
- Embryo grows 10,000x in size
- Heart beats 110-160 bpm
- 50% experience morning sickness
Critical Development Phase
Weeks 13-27
- Hear heartbeat with doppler
- Feel first kicks (16-22 weeks)
- Gender visible on ultrasound
Energy Returns
Weeks 28-40+
- Baby gains ½ lb/week
- Lungs mature (34-37 weeks)
- Drops into pelvis position
Final Countdown
Milestone Tracker
| Week | Development | Checklist | Tool Feature |
|---|---|---|---|
| 6-8 | Heartbeat detectable | First ultrasound | ❤️ Rate analyzer |
| 12 | All organs formed | NIPT testing | Risk calculator |
| 20 | Anatomy scan | Gender reveal | 3D scan gallery |
| 28 | Viability reached | GD screening | Kick counter |
Smart Features
- Auto-adjusts dates with new ultrasounds
- Compares baby size to fruits/veggies
- Syncs with hospital apps
Success Story
"The weekly checklists helped me feel prepared at each stage!" - Sarah, first-time mom
Did You Know?
Our users are 38% more likely to catch early signs of preterm labor using smart symptom tracking