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Age at Menarche and its Related Factors among School Girls, in Zanjan, Iran
Age at Menarche and its Related Factors among School Girls, in Zanjan, Iran

Parisa Khoshnevisasl; Mansour Sadeghzadeh; Saeideh Mazloozadeh; Akefeh Ahmadiafshar; Leila Babri

Volume 5, Issue 4 , April 2017, , Pages 4755-4762

https://doi.org/10.22038/ijp.2017.21178.1779

Abstract
  BackgroundThere are differences in the age at menarche in different countries and it seems that in recent decades gradually the age of puberty is declining. The aim of the present study ...  Read More