blood type test. Testing has become so easy these days that you can order the test online and go to a nearby walk-in lab to have the test taken.
Often, the test is performed the same day it is ordered.There are four main categories of blood type, including:In addition to the four categories of blood, a Rhesus-negative (Rh) antigen factor must also be considered.
If your blood contains this Rh antigen, it is Rh-positive. If no Rh antigen is found in your blood, you are Rh-negative. The Rh negative blood type can be administered to a person who has either the negative or positive Rh type of blood.Read more on pickthebrain.com