Calculate Pregnancy Probability

Pregnancy Test Result Select test result Positive Negative Faint Positive Invalid/Error

Select the result of your pregnancy test

Test Type Home Urine Test Blood Test (HCG) Digital Test Early Detection Test

Type of pregnancy test used

Days Since Missed Period

How many days late is your period? (0 if not late yet)

Pregnancy Symptoms (Select all that apply)

Nausea/Morning Sickness

Fatigue

Breast Tenderness

Frequent Urination

Food Aversions/Cravings

Mood Swings

HCG Level (if known)

Blood HCG level in mIU/mL (optional)

Calculate Probability Reset

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.

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