Broken down by race, type O-’s prevalence is 37% among Caucasians, 47% among African Americans, 39% among Asians, and 53% among Latino-Americans, according to the American Red Cross. In the United States, type O- is the most common blood type. Meanwhile O-, the universal cell donor, can only donate plasma to O- patients. So AB+, which can only donate cells to AB+ patients, becomes a universal plasma donor. Also note that blood group compatibilities are reversed for plasma transfusions. The least common blood types are B- and AB. Type O blood is constantly in high demand in hospitals because O- is the universal donor and O+ is the most common blood type. AB negative (AB-) - Can donate cells to AB+/-Īs shown above, Type O- blood can be used in transfusions for any blood type.AB positive (AB+) - Can donate cells to AB+.O negative (O-) - Can donate cells to all types (universal donor).O positive (O+) - Can donate cells to A+, B+, AB+, and O+.Knowing your blood type can be crucial in a medical emergency, but it can also. B negative (B-) - Can donate cells to B+/- and AB+/- If there is no Rh protein in your blood cells, you have a negative blood type.B positive (B+) - Can donate cells to B+ and AB+.A negative (A-) - Can donate cells to A+/- or AB+/.A positive (A+) - Can donate cells to A+ and AB+.Together, the ABO system and the Rh system give us the eight main blood types: In addition, blood is further classified as either positive (+) or negative (-) depending upon whether it contains a protein known as the Rh factor. If a patient receives an incompatible blood type, their body will attack it like a life-threatening infection rather than a life-saving transfusion.īlood falls into one of four major blood groups depending upon the presence or absence of two antigens-named A and B-on the surface of its red blood cells (and the opposite antibodies in its plasma). One idea is that Rh negative people may be resistant to some of the effects of the parasite Toxoplasma. As I mentioned above, having Rh negative blood can cause problems during pregnancy for the mother and child. All Europeans and most people in the world have some of the blood of the Gods, but the traits show up most in those with Rh. ![]() AB Rh positive - Mixed, Human types 1 and 2. AB Rh negative - Mixed, God, Human types 1 and 2. Blood type is particularly important during blood transfusions because some blood types are incompatible with one another. Rh negative blood is very rare and there are pros and cons to having this blood type. B Rh negative - Mixed, God and human type 2. It is certainly the most recent blood group. Blood group AB is found in less than five percent of the population. Nowadays, blood group B accounts for about ten percent of the worlds population. HDFN due to anti-D antibodies is the proper and currently used name for this disease as the Rh blood group system actually has more than 50 antigens and not. Blood type, also called blood group, is determined by the presence or absence of specific antigens, which can be proteins, carbohydrates, glycoproteins, or glycolipids. The northern Chinese and Koreans have high rates of blood group B, and lower rates of blood group A.
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