Blood Group System - an overview

blood group  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 Human blood falls into four different blood groups: A, B, AB and O Your blood also has what is known as an Rh factor: It either contains a certain protein or

As of December 2023, a total of 45 human blood group systems are recognized by the International Society of Blood Transfusion The two most important Which blood types are the most common? ; O negative Blood type: O- · 7% ; B positive Blood type: B+ · 12% ; AB positive Blood type: AB+ · 4%

There are 4 main blood groups The combination of these two systems give us the eight commonly-known blood types: A+, A-, B+, B-, O+, O-, AB+, AB- Knowing the right blood type to give a