Abstract. A comparative study of the dynamics of increase in the longitudinal size and body mass in healthy newborns (848 people). in children with asymmetric intrauterine growth retardation (IUGR, 886 people)., who at the time of birth to the term body weight was below the norm by 22% in 28 patients with cerebral palsy, and in 30 patients with congenital lag in the growth of one of the lower extremities. In subsequent years, the rate of longitudinal growth of the body in patients of all groups did not differ from the norm, whereas IUGR observed slowdown in the pace of weight gain and head circumference of 1-2 cm, as well as indicators of functional maturation of children. After 6 years after the birth of children with consequences of IUGR main indicators of mental development close to those of healthy peers. The incidence and severity of IUGR increases at deterioration of the economic situation of the region's population , while reducing the systemic blood pressure in women. Revealed a genetic predisposition to the appearance of this pathology.
Keywords: newborns, body length, anthropometry, abnormal development.
Annotation. Stand presented hygienic justification for the development of water supply schemes and improving the quality of drinking water , the comparative sanitary- hygienic characteristics of the water quality of water bodies and water tap in Surkhandarya , Khorezm regions and the whole country .
Keywords: quality of drinking water , hygienic substantiation to the schemes of water supply , security , prevention of infectious diseases.
Annotation. The material provides data on toxicological and hygienic assessment new cotton defoliant "UzDEF-K." It was found that the preparat is a low-hazard compound belongs to IV class of danger. Designed hygienic standards in the environment and food products (MPC in water bodies of water , in the air of the working area and the atmosphere air; MRLs in food, soil UEC ) . Science-based regulations of safe use of the drug in the agrifarms - sanitary protection zone, time-to-work.
Keywords: pesticide, hygienic standard, defoliant " UzDEF-K", the environment, water, air, soil, food products.