The prevention of disability in children and support of families fostering disabled children and children with limited capacities in health are included into number of main priorities of the state social policy of the Russian Federation. Thereupon, the project "Childhood Decade" is an important stage that includes social care of disabled children and children with limited capacities in health and their integration in modern society according the Decree of the President on implementation of state policy in the field of family and children care. The underestimation of children disability is supposed to be present produced by such causes as social motivation of family, complicacy of legal official registration, harsh requirements of medical social expertise services, inadequate awareness of medical staff about criteria of disability. According the WHO European Regional Bureau, in Russia there are 250 000 children with limitations of life activity mainly caused by somatic pathology, who have no status of disabled person and no state social support. The prevention of children disability is considered as a system of measures of caring mother and child health all along childhood. The priority directions of prevention considering causes of development of disability and its structure according particular disease are marked. The data is presented related to modern technologies of decreasing genetic load on population from position of prevention of hereditary, inborn and orphan diseases. In particular studies non-infectious pathology acquiring greater significance in development of disability in children of various age groups since neonatal period is considered. The new directions of research are proposed to affect the processes of incapacitation of child on more profound pathogenic level and to develop organization of preventive activities in this area.
Keywords: children disability; ecology; health care; hereditary diseases; inborn diseases; mother and child care; perinatology; prevention; priorities.