[Self-perception of body image of Brazilian adolescents from 2009 to 2019 according to Brazilian National Survey of School Health (PeNSE)].

This study analyzes the self-perception of body image reported by adolescents from 2009 to 2019 according to sex and region, based on the Brazilian National Survey of School Health (PeNSE). An epidemiological, descriptive time-series analysis was carried out with prevalence and trend measures of how adolescents perceive themselves in relation to their bodies according to the data provided by the PeNSE surveys from 2009 to 2019. The prevalence of adolescents who considered themselves normal reached 47.