Rh Blood Type Compatibility Chart The Rh blood type compatibility chart is a tool used to determine the compatibility of Rh factor between two blood types. The Rh factor is an antigen found on the surface of red blood cells. Blood types are categorized by the presence or absence of this antigen. The Rh factor is important in certain medical situations. For instance, if a mother is Rh-negative and the father is Rh-positive, there is a chance that their child will inherit the Rh-positive trait. If the child does inherit the Rh-positive trait, the mother's immune system may view the Rh factor as foreign and create antibodies against it. This can lead to complications in future pregnancies if the subsequent babies are Rh-positive. The Rh blood type compatibility chart breaks down the six blood types into positive and negative categories. The positive category includes A+, B+, AB+, and O+, while the negative category includes A-, B-, AB-, and O-. Rh-positive individuals carry the Rh factor, while Rh-negative individuals do not. In terms of compatibility, Rh-positive individuals can receive blood from Rh-positive donors or Rh-negative donors. However, Rh-negative individuals can only receive blood from Rh-negative donors. This makes Rh-negative blood types quite valuable, as they are only compatible with a small percentage of the population. In conclusion, the Rh blood type compatibility chart serves as a useful tool in determining the compatibility of Rh factor between two blood types. Understanding one's blood type and Rh factor can be crucial in certain medical situations, such as pregnancy. By utilizing this chart, medical professionals can ensure safe blood transfusions and prevent potentially dangerous immune reactions in the body.