The Rh blood group system consists of 49 defined blood group antigens, among which the five antigens D, C, c, E, and e are the most important.
The terms Rh factor, Rh positive and Rh negative refer to the Rh(D) antigen only.
The terms Rh factor, Rh positive and Rh negative refer to the Rh(D) antigen only.
