BloodTyper - Your Blood Type Reference

Comprehensive blood type information, calculators, and compatibility charts

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Blood Type Calculator

Calculate possible blood types for your child based on parent blood types

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Compatibility Chart

Interactive matrix showing blood donation compatibility for all types

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Rarity Information

Discover how common or rare different blood types are worldwide

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Blood Types

Detailed information about all 8 blood types

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Rh Factor Guide

Understanding Rh positive and negative blood types

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Universal Types

Learn about universal donors and recipients

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How to Find Your Blood Type

4 easy methods to discover your blood type quickly

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Mosquitoes & Blood Type

Why mosquitoes prefer Type O blood - scientific facts

Educational Blood Type Resources

Whether you're an expectant parent curious about your child's possible blood type, a student learning genetics, or preparing to donate blood, BloodTyper provides accurate, visual, and easy-to-understand information about blood type genetics and compatibility.