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Information × Registration Number 0211U002042, 0108U000020 , R & D reports Title To study the character of sexual development in boys who live in industrial cities or in the country. popup.stage_title Head Plekhova E., Registration Date 17-01-2011 Organization Ukrainian Research Institute of Children and Adolescents Health Care popup.description2 Research object: puberty in 1569 boys - residents of Kharkiv and in 1225 boys aged 10-18 living in rural locality. Objective: to work out age-related standards of sexual development in boys who in an industrial city or in the country. Methods: clinical, radiological, radioimmunological, immunofermental, and genetic. Theoretical and practical results: there were established current tendencies in sexual development of boys and its peculiarities as dependent on the place of residence. There were revealed certain relationships between the rates of sexual development and body weight. Sexual development standards for boys were worked out, and centile normograms for sexual development characters were designed (testicles circumference, penis length, and masculinization index) in the study for inhabitants of industrial cities and for country boys. The incidence and structure of sexual development disorders was established in the examined adolescents. It was proved that the most widespread pathology of puberty was its delay, as it was established in 5,4 % of town-dwellers and 5,2 % of country boys at the age of 13-17. The inverted puberty was revealed in 10-12 year-old boys in 4,5 and 7,3 %, respectively. On the basis of complex examination there were defined clinical, hormonal and genealogical characteristics of adolescents with pathology of puberty. Novelty: there was suggested a novel technology for estimating sexual development in boys and its disorders were established by percentile tables of sexual development characteristics with consideration of regions of residence. Effectiveness: is in increased reproductive potential of adolescents by monitoring human sexual system formation and timely revealing pathological states. Field of application: endocrinology, pediatrics, andrology. Product Description popup.authors Багацька Наталія Василівна Банніков Борис Васильович Вародова Ольга В'ячеславівна Косовцова Ганна Василівна Костенко Тетяна Павлівна Плехова Олена Ігорівна Турчина Светлана Ігорівна popup.nrat_date 2020-04-02 Close