ABO blood group system

RhD is highly immunogenic and can lead to red cell haemolysis in certain settings ABO antigens and antibodies The ABO blood group is the most important of all

group, is very important to ensure that a transfusion recipient receives compatible blood Blood types are referred to as Type A, Type B, Type AB (which has

blood link There are eight blood types, divided into four categories: A, B, AB, and O, and whether Rh positive or negative These types are determined

blood type Takeaway The ABO system is the best known way of classifying blood types In this system, there are eight main types O positive is the most common, and AB