| Popis: |
Objectives to analyse the association between the degree of air pollution (suspended particulate matter, sulphur dioxide, benzopyrene levels) in the location of residence during childhood and adolescence and the age at menarche Methods Anthropometric measurements were performed, and questionnaire data were collected from 1,257 women, aged 19-25 years Results Negative relationships between age at menarche and suspended particulate matter as well as nitrogen levels were found. A similar trend was observed in an analysis of the relationship between age at menarche and the complex air pollution index. The tendency for age at menarche to decrease together with worsening air quality was also visible after adjusted for socioeconomic status. Girls exposed to high suspended particulate matter levels were characterised by higher risk of early age at menarche. Conclusion High levels of air pollution are related to younger age at menarche and the risk of the menstruation onset below 11 y. |
