Blood grouping and RH typing test is used to determine the blood type of a person. This test is very important to be done if you are planning to donate blood or blood transfusion. All the blood types are not compatible with each other, so it is important to know the blood group. If you are receiving the blood which is not compatible with your blood group, it can be dangerous for the immune system.
The blood type can be determined by the kind of antigens the red blood cells have on the surface. Antigens help the body to differentiate between foreign and its own cells. If the body finds out that the cell is foreign, it will be destroyed by the antigens.
There are four groups of Blood types:
If the foreign antigen enters the system, the body will produce antibodies against them.
Blood donation works as follows:
Types of blood are further Categorised in the Rh factor.
There are 8 possible blood types:
Blood Typing is important for pregnant females. If the father is Rh-positive and the mother is Rh-negative, the baby will likely be Rh-positive. So, in this case, the mother will receive a drug called RhoGAM. This drug will help the body from producing antibodies.
Conditions that may warrant a transfusion: