Pregnancy Test Calculator
Calculate pregnancy probability based on test results and symptoms
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Calculate Pregnancy Probability
About Pregnancy Tests
Pregnancy tests detect human chorionic gonadotropin (HCG), a hormone produced during pregnancy. Test accuracy depends on timing, test type, and proper usage.
Test Accuracy by Type:
- Home Urine Test: 97-99% accurate
- Blood Test: 99%+ accurate
- Digital Test: 99% accurate
- Early Detection: 76% accurate (6 days before missed period)
When to Test:
- Best: 1 week after missed period
- Early: 1-2 days after missed period
- Very Early: 6 days before missed period
HCG Levels Guide:
- Non-pregnant: < 5 mIU/mL
- Pregnant (3 weeks): 5-50 mIU/mL
- Pregnant (4 weeks): 10-750 mIU/mL
- Pregnant (5 weeks): 200-7,000 mIU/mL
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