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AB-
Rarest of all common blood types
AB negative is the rarest blood type, found in only 1% of the population. It has both A and B antigens but lacks the Rh factor. This extremely rare type can donate to all AB recipients.
→ Can Donate To
AB+✓ Compatible
AB-✓ Compatible
AB- blood can be donated to 2 type(s).
← Can Receive From
A-✓ Compatible
B-✓ Compatible
AB-✓ Compatible
O-✓ Compatible
AB- blood can receive from 4 type(s).
Rh Factor
Lacks the Rh factor (D antigen). Rh negative individuals have two negative alleles.
Learn more about Rh factor →Population Frequency by Ethnicity
Caucasian1%
African American0.3%
Asian0.1%
Hispanic0.2%
Interesting Facts
- •Rarest of all the 8 major blood types (only 1%)
- •Extremely rare in all ethnic populations
- •Can receive from all negative blood types
- •AB- plasma is universal and highly valuable
- •Always critically needed by hospitals
- •AB- mothers may need RhoGAM during pregnancy if baby is Rh+
Educational Information: This information is provided for educational purposes only. Always consult with healthcare professionals for medical advice, blood transfusions, and pregnancy-related concerns.