O+
The O+ blood group.
roughly 1 in 3 of people in India.
The most common group in India, and therefore the most needed. O+ donors keep routine surgery moving.
0 active O+ donors on the Assam register right now · Need O+ blood? start a request →
O+ can donate to
O+O−A+A−B+B−AB+AB−
O+ can receive from
O+O−A+A−B+B−AB+AB−
How this works in real hospitals.Compatibility above is for red cells, simplified. In practice the blood centre runs a crossmatch before every transfusion, and plasma/platelet rules differ. Final decisions always belong to the treating centre, never self-arrange a match.
O+ is needed every day.
Register once; we contact you only when a compatible patient near you needs blood.
Register as a O+ donorWho can O+ blood be given to?
O+ red cells can go to patients with: O+, A+, B+, AB+. Compatibility is decided by the blood centre's crossmatch, never self-match.
Who can donate to an O+ patient?
O+ patients can receive red cells from: O+, O−.
Is O+ a rare blood group?
O+ is one of the more common groups in India, roughly 1 in 3 of the population, which also means it is needed constantly.