نتایج جستجو برای: age at menarche

تعداد نتایج: 4127068  

Journal: :Human Reproduction 2004

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Journal: :Epidemiology 2009

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Journal: :Paediatrica Indonesiana 2020

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Journal: :The Journal of Clinical Endocrinology & Metabolism 2007

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2014
Fahimeh Ramezani Tehrani Parvin Mirmiran Roya Gholami Nazanin Moslehi Feriedon Azizi

BACKGROUND Menarche is considered as a milestone in the women's reproductive life. Most existing studies on factors influencing menarcheal age had cross-sectional designs and their finding were controversial. OBJECTIVES We aimed to determine some factors affecting the age at menarche in a cohort study with an average of ten-year follow-up; the study was conducted within the framework of Tehra...

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Journal: :Japanese Journal of Health and Human Ecology 1980

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Journal: :American Journal of Epidemiology 2017

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Journal: :Journal of the Canadian Association of Gastroenterology 2018

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Journal: :BioMed Research International 2014

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2016
Nazanin Hazhir Karzar Robabeh Ghergherehchi Mahnaz Sadeghi Shabestari

Background: During the past century, the mean age at menarche among the North West Iranian girls has decreased. The aim of this study was to compare the age of menarche between two generations and to determine the effect of BMI on the menarche age. Materials and Methods: This cross –sectional study was carried out on 2029 girls of 9-17 years of age during September 2012 to May 2014 in North-Wes...

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