[Indices of development in children and adolescents of Poznan aged 3 through 18].

Mean values and standard deviations of the body weight and height were calculated for the particular age and sex groups od children and adolescents aged between 3 and 18 years in Poznań. The calculations were based on the results of examinations of 12,669 children: 6,941 girls and 5,728, i.e. 11% of the total population in Poznań (highly representative sample). Percentile nets and weight-height proportion nets were constructed.