Blood group (ABO/Rh)
Your ABO blood group and Rhesus (Rh) factor — inherited traits that matter for transfusions and pregnancy. This is the real, medical blood type, not the personality myth.
A factual genetic and medical attribute — your real blood type (distinct from the East Asian blood-type personality belief). (Genetics / medicine)
Groups
- O+ — The most common type; can donate red cells to all positive types.
- O− — The universal red-cell donor — given in emergencies to anyone.
- A+ — Common type with A antigens and the Rh factor.
- A− — A antigens, no Rh factor.
- B+ — B antigens with the Rh factor.
- B− — B antigens, no Rh factor.
- AB+ — Has both A and B antigens plus Rh — the universal plasma recipient.
- AB− — Both A and B antigens, no Rh factor — rare.
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