@matiullahdawlatzai: What is ABO Blood Grouping? ABO blood grouping is a laboratory test used to determine an individual’s blood type. Human blood is classified into four main types based on the presence or absence of specific antigens (A and B) on the surface of red blood cells: • Type A: Has A antigen on RBCs and anti-B antibodies in plasma • Type B: Has B antigen on RBCs and anti-A antibodies in plasma • Type AB: Has both A and B antigens on RBCs, no antibodies in plasma • Type O: Has no antigens on RBCs, both anti-A and anti-B antibodies in plasma 2. Importance of ABO Blood Grouping • Blood transfusions: Ensures compatibility and prevents transfusion reactions. • Organ transplantation: Helps match donors and recipients. • Pregnancy: Prevents hemolytic disease of the newborn in case of ABO incompatibility. • Medical records: Blood type is crucial in emergencies. 3. How the Test is Performed • Blood is mixed with anti-A and anti-B sera. • Agglutination (clumping) indicates the presence of the corresponding antigen. • Example: Clumping with anti-A but not anti-B → Type A blood. 4. Key Points • ABO blood group is inherited genetically. • Type O is considered the universal donor, AB is the universal recipient. • Always check before transfusions to prevent serious reactions. ⸻ #ABOBloodGroup #BloodType #MedicalLab #LabTests #HealthCare

Matiullah Dawlatzai

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Wednesday 11 February 2026 17:16:25 GMT