A–Z Glossary

Anti-D antibodies

Anti-D antibodies are immune proteins that recognize and attack red blood cells carrying the Rh D antigen.

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Blood type Rh factor and Rh incompatibility

Blood type Rh factor and Rh incompatibility

What is the Rh factor? The Rh factor, often referring specifically to the D antigen in the Rh blood group system, is a protein on red blood cells. A person whose red blood cells carry this protein is Rh-positive. A person whose red blood cells do not carry it is Rh-negative. Rh status is inherited […]