• Muhammad Saboor, Aman Ullah, Khansa Qamar, Awal Mir, and MoinuddinDr. Moinuddin, FRCP (C), FRCP (E), Baqai Institute of Hematology, Baqai Medical University, Karachi, Pakistan..
• Dr. Muhammad Saboor, PhD, Baqai Institute of Hematology, Baqai Medical University, Karachi, Pakistan.
• Pak J Med Sci. 2014 Jan 1; 30 (1): 189193189-93.

ObjectiveABO blood group and secretor status is valuable in relation to some diseases in clinical and forensic medicine. Across the globe there are geographic and racial differences in the frequency of secretors and non-secretors. Aim of this study was to evaluate the status of ABH blood group secretors and non-secretors in Karachi (Pakistan).MethodsBlood and saliva samples were randomly collected from one hundred and one (n=101) healthy adult students (76 male, 25 female) ranging in age from 15 to 40 years. Their ABO and Rhesus blood groups were determined by conventional methods, and their secretor status was studied by hemagglutination inhibition method of saliva.ResultsRESULTS showed that 64.4% of the study population were ABH blood group secretors while 35.6% were non-secretors. Frequencies of the secretor status among various ABO blood groups were 71.4% in group A, 79.5% in group B, 45.5% in group AB, and 61.5% in group O.ConclusionFrequency of ABH secretor is high (64.4%). Blood group B has the highest secretor (79.5%) frequency while Blood group AB has the lowest (45.5%).

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