What is the D antigen (Rh factor) in the blood?

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  1. Aurora Health Care
     
    Aurora Health Care answered:
    D antigen is a protein with many parts, found on the surface of red blood cells. The D antigen is also known as the "Rh factor," and it tells your blood type. People are either D (Rh) negative or D (Rh) positive. If your blood type is D negative, your red blood cells do not have the D antigen.
    More Related Answers from Aurora Health Care
    D antigen is a protein with many parts, found on the surface of red blood cells. The D antigen is also known as the "Rh factor," and it tells your blood type. People are either D (Rh) negative or D (Rh) positive. If your blood type is D... More