The discovery was created when she was admitted to the RL Jalappa hospital in Kolar for heart surgery in February last year, in which her well -known blood type O was positive, a relatively general type.
A 38-year-old woman from the Kolar district in Karnataka has been identified as the first person in the world with a previously unknown and exceptionally rare blood group, according to a media report. Medical professionals have stated that if she needs a blood transfusion, she would have to donate her own blood in advance, because no other individual owns the same unique blood type. The case was referred to the advanced immunohematology reference laboratory in the Rotary Bangalore TTK Blood Center After the first attempts to find a competition, were not successful.
What is Wieg?
According to a report from the Hindu, experts in the lab saw an unusual reaction between her blood and each tested monster, indicating a unique antigen that has never been documented before. Further tests of her family members could not deliver a competition either. The discovery was created when she was admitted to the RL Jalappa hospital in Kolar for heart surgery in February last year, in which her well -known blood type O was positive, a relatively general type.
During her treatment, the woman’s blood turned out to be incompatible with everyone else. Even blood samples from her family members were not a match. Then doctors sent her monsters to the International Blood Group Reference Laboratory (IBGRL) in Bristol, VK.
After an extensive analysis of 10 months using molecular techniques, the laboratory confirmed the presence of a new antigen in its blood. This new antigen is officially recognized as part of the Cromer (CR) blood group system.
Why is the blood type crib called?
The antigen is called crib – with “CR” that Cromer represents, and “IB” that indicates India, Bengaluru.
What are the side effects of this blood type?
The discovery was presented at an international blood transfusion conference in Milan, Italy, on 4 June 2025. Medical professionals have emphasized that if she needs a different transfusion, she cannot rely on blood donations of others. For planned operations, she may have to increase her own hemoglobin level and save her blood in advance, a procedure known as an autologous transfusion.
The Rotary Bangalore TTK Blood Center has started a ‘rare blood donor’ program in collaboration with other organizations to support people with unusual types of blood. They have already identified 21 rare donors from a pool of more than 2,000 tested people.
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