Objectives To describe the biological results of the political and economic transformations
that took place in Poland between 1966 and 2012, based on an analysis of age at …

Studies of age at menarche in Poland have a long history and consistently show an urban-
rural gradient. The objectives of the study were to to estimate the age at menarche among …

Objective To evaluate secular changes in the heights and weights of rural school youth in
west‐central Poland across decennial surveys of the same communities spanning 1986 and …

Purpose: The consequence of better living conditions for every subsequent generation is the
phenomenon of change in the rate of maturation and body dimensions. The aim of this study …

It was examined whether positive changes in maternal SES and medical facilities in Poland
20 years after social and economic transformation weakened the role of maternal age in …

Zmiany społeczno-ekonomiczne, zachodzące w kilku ostatnich dekadach mają
zróżnicowane tempo w różnych regionach kraju. Środkowo-wschodni region Polski jest …

The age at menarche is changing together with the development of society. The intensities
of secular trends vary in different countries, regions or even towns and villages. Therefore …

Biological state of a group of people or particular individuals in various phases of
ontogenesis should be treated as a positive health measure. The aim of the study was to …