There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is important for safe blood transfusions and organ transplants. Type ...

O- blood is the universal donor type because it can be used for anyone. AB+ blood can receive any type of blood, making it the universal recipient. Blood types need to match, or the immune system will ...

Knowing your blood type is critical during emergency health situations. Knowing your blood type is crucial medical information, but unless you've given blood before you might not be sure what yours is ...

Blood type is usually determined during hospital visits, especially when a transfusion may be needed, such as in surgery or childbirth. [File, Standard] Many of us first learned our blood types during ...

Add Yahoo as a preferred source to see more of our stories on Google. A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune ...

A blood donation can mean the difference between life and death if you need a transfusion, and every year 4.5 million people do, according to the American Red Cross. One type of blood donation can be ...

Your blood type might seem like a minor detail in your medical history, but it carries significant implications for your health and medical care. From emergency transfusions to pregnancy planning, ...

DEAR DR. ROACH: I am a 79-year-old female. I am in generally good health, but have a question about RhoGAM. When I had my children in the ’60s, I was in the original study conducted to see if my AB ...