There are four main blood types (A, B, O and AB), which are determined by the presence or absence of certain antigens on the surface of red blood cells. Individuals are also typed as either Rh positive or Rh negative depending on the presence or absence of the most important red cell antigen in the Rh blood group.

It is helpful to know your blood type in planning your future. The right type at the right time can save lives in your community. Click below to read more about your type.