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Karakalpak State University As you know, physical development is one of the indicators of the health of the child population. Growth and body weight indicators are an important indicator of the physical development of children and adolescents (Balandin V.A., Chernyshenko Yu.K. 2005). They are used to assess and interpretation of the health status of the child population. The data of official statistics and scientific research indicate that negative trends in the change in demographic indicators in the Republic of Uzbekistan, including the state of health of the child population, persist (Mambetkarimov G.A. 2005). The problem of physical development of children and adolescents is studied in various directions, and one of the most urgent is the problem of studying the characteristics of physical development. I have children in unfavorable environmental conditions, for example, in the South Aral Sea region. At the beginning of the third millennium, the problem of the influence of polluted ecology in this region becomes the most urgent from the point of view of its influence directly on the younger generation. We examined the indicators of weight and height in girls and boys aged 6 to 14 years, living in areas with different degrees of environmental pollution: Takhtakupyr district - an environmental catastrophe zone, Nukus city is a zone of ecological risk and Ellikala region is a zone of relative ecological well-being. The data are presented in Fig. 1 and 2. As control indicators, the norms adopted in pediatrics were used (Kamilova RT 2001). When analyzing the annual anthropometric indicators, we came to the following results. At the age of 6, regardless of where they live, girls are slightly lower than the standard values. The latter are 111-120 command in relation to them, the growth of girls is 4 less; 9; and 8%, respectively, in the indicated areas. The increase in body length by 7 years was 6.1; 9.3 and 7.3 cm, which is within the limits of the existing norms, but, despite this, the growth of the body still remains below the norm by 7; 7 and 10%, respectively, in the districts.