MamasHealth.com Home Blood Diseases Agnogenic Metaplasia Amyloidosis Aplastic Anemia Blood type Diabetes Hematuria Hemolytic Syndrome Hemophilia Hypercalcemia Hyperglycemia Hypoglycemia Iron Deficiency Anemia ITP Leukemia Mastocytosis Multiple Myeloma Myelodysplastic Pernicious Anemia Polycythemia Vera Porhyria Sepsis Sickle Cell Anemia Thrombocytopenia Thrombophlebitis Von Willebrand's Disease Wegener's Granulomatosis Links Email Mama How to Switch Careers in Midlife Health benefits of sex	Blood types The main red blood cell groups are A, B, AB, and O. The letters stand for two antigens (chemical substances that can be targeted by one's immune system) labeled A and B. Group A blood has only the A antigen Group B has the only the B antigen Group AB has both Group O has neither You can't donate red blood cells to anyone and you can't receive blood from anyone — blood groups need to be matched. Blood types statistics Almost 40% of the population has O+ blood Patients with Type O blood must receive Type O blood Type O blood is the universal blood type and is the only blood type that can be transfused to patients with other blood types Only about 7% of all people have Type O negative blood Type O negative blood is the preferred type for accident victims and babies needing exchange transfusions There is always a need for Type O donors because their blood may be transfused to a person of any blood type in an emergency If your blood type is... Type You Can Give Blood To You Can Receive Blood From A+ A+  AB+ A+  A-  O+  O- O+ O+  A+  B+  AB+ O+  O- B+ B+  AB+ B+  B-  O+  O- AB+ AB+ Everyone A- A+  A-  AB+  AB- A-  O- O- Everyone O- B- B+  B-  AB+  AB- B-  O- AB- AB+  AB- AB-  A-  B-  O- Out of 100 donors . . . . . 84 donors are RH+ 16 donors are RH- 38 are O+ 7 are O- 34 are A+ 6 are A- 9 are B+ 2 are B- 3 are AB+ 1 is AB- Source: AABB.ORG	Sign up for our Email Newsletter For Email Marketing you can trust
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