摘要:Body mass index (BMI) of 149 male and female children, classified into three age groups (5-9, 10-14 and 15-18 years) having four different blood groups (A, B, AB and O), was estimated from different schools situated in Sargodha district. The highest BMI was found in boys of age 15-18 years, whereas the lowest BMI was observed in the students with 5-9 years age. Many male and female subjects from all age groups were found underweight but BMI values of group A and O subjects were found close to the normal values. Female subjects having AB blood group were found to have the highest BMI whereas subjects from blood group A exhibited the lowest BMI values. Female subjects with others two blood group (B and O) were found to have normal BMI values. Overall, the students of 5-18 years (male and female) belonging to different blood groups were found to have low BMI than the recommended values. It has been found that BMI of O subjects was better as compared to blood group A and B.