Is Rh blood type positive normal?
Disease description:
I had a blood test yesterday, and the result showed that my Rh blood type is positive. What does this mean? How is it different from other blood types? I would like to know what this means.
Doctor's answer (1)
Dr. Liu Feng
Rh blood type positive is normal.
The Rh blood group system is one of the human red blood cell blood group systems, mainly divided into two major categories: Rh-positive and Rh-negative. Rh-positive indicates the presence of the D antigen on the surface of red blood cells, whereas Rh-negative means this antigen is absent. Globally, approximately 85% of the population has an Rh-positive blood type; thus, statistically speaking, Rh-positive is extremely common and can be considered a "normal" blood type expression.
The importance of the Rh blood type becomes evident in specific situations, particularly during pregnancy and blood transfusions. If an Rh-negative mother carries an Rh-positive fetus, it may trigger hemolytic disease due to Rh incompatibility. Similarly, during blood transfusions, if the recipient is Rh-negative and the donor is Rh-positive, it may lead to a severe immune reaction. Therefore, in such cases, it is important to understand and match the correct Rh blood type.
Being Rh-positive or Rh-negative does not indicate health or illness; they are simply part of an individual's genetic characteristics. Therefore, both Rh-positive and Rh-negative blood types are normal; they merely represent different forms of expression.
