What does + and - mean in blood type?

The most basic and widely known use of the ABO blood group system is determining blood transfusion compatibility. If someone with blood type O needs a transfusion of blood from someone with type A or type B, this is because type O blood does not have the protein antigens necessary to fight infection. Fortunately, these proteins are easy to test for, and a health care provider can find out the blood type of the person donating the blood before giving it to the patient.

What do the plus and minus signs mean in blood type?

If you are O-negative, you have a blood type that does not contain any antigen. This means that you do not have any antibodies against any disease. Antigen-free blood is given to patients who have a low risk of contracting diseases.

What does plus mean in blood type?

Having a “plus” blood type means that you have antigen A on just one of your red blood cell surface proteins. People who are A- have a high level of antibodies against A antigen, an autoimmune response that can lead to more serious conditions, such as allergies and asthma. Plus people who are A- are more prone to developing gout, arthritis, and Alzheimer’s disease.

What do + and - mean in blood types?

Both the O and A blood types are “universal donors” which means that anyone can receive an O-positive or A-negative blood transfusion regardless of their blood type. If you have O or A blood type, then a person with a different blood type, say B, C, or AB, could receive a donation of O-negative or A-negative blood. However, a person with type O or A would be unlikely to receive blood from someone with type B, C,

What does a + mean in blood type?

People with type O have a naturally high level of folic acid in their blood. Folic acid is necessary for the production of red blood cells and is an important part of prenatal vitamins. People with type O also have a lower risk of coronary artery disease.