Puberty and Influencing Factors in Schoolgirls Living in Istanbul: End of the Secular Trend?

@article{Atay2011PubertyAI,
  title={Puberty and Influencing Factors in Schoolgirls Living in Istanbul: End of the Secular Trend?},
  author={Zeynep Atay and Serap Turan and Tulay Guran and Andrzej Furman and Abdullah Bereket},
  journal={Pediatrics},
  year={2011},
  volume={128},
  pages={e40 - e45}
}
OBJECTIVE: To (1) establish the median ages at menarche and pubertal stages and investigate influential factors and (2) assess the secular trend in reaching puberty in a transitional society. MATERIALS AND METHODS: A probit method was used to calculate the median age at menarche and pubertal stages from a cross-sectional study of 4868 healthy schoolgirls (aged 6–18 years) in Istanbul, Turkey. The findings were compared with those from a similar study performed 4 decades earlier. Logistic… 

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