Ab positive blood group: What are blood types

What are blood types? A blood type is a classification system that allows healthcare providers to determine whether your blood is compatible or incompatible with someone else’s blood . There are four main blood types: A, B, AB and O. Blood bank specialists determine your blood type based on whether you have antigen A or B on your red blood cells. They also look for a protein called the Rh factor. They classify your blood type as positive (+) if you have this protein and negative (-) if you ... There are eight blood types, divided into four categories: A, B, AB , and O, and whether Rh positive or negative. These types are determined by antigens on red blood cells. Learn what this means. Understanding the Basics of AB Positive Blood Group The AB Positive blood group is one of the eight main human blood types categorized under the ABO and Rh blood group systems. It carries a unique combination of antigens on the surface of red blood cells — both A and B antigens — along with the presence of the Rh (Rhesus) factor, which makes it Rh positive . This rare combination places AB Positive individuals in a special category when it comes to blood transfusions, donations, and ...