Tehran University of Medical Sciences Journal of Family and Reproductive Health 1735-8949 2 4 2008 12 15 173 177 Shila Berenjy Faculty of Medicine and Health Sciences, Department of Nutration, Putra University, Malaysia Parichehr Hanachi Women Research Center, Alzahra University, Tehran, Iran 2015 10 04 Objective: The aim of this study was to investigate the relation between overweight and obesity among adolescent students and age of menarche. Materials and Methods: In a cross-sectional study 399 urban adolescent girls aged 11-14 years old were selected from schools of Kermanshah city in Iran. Anthropometric examinations including, triceps skin fold (TSF), mid arm circumference (MAC), body fat percentage (BF %), were measured and information on age of menarch and student’s demographics were collected. Results: The results showed that age, body mass index (BMI) and menarche age were:12.63+1.01 year, 17.71+2.94 kg/m2 and 12.16+1.18 year respectively. Prevalence of overweight in respondents was 23.2%, however; prevalence of obesity was 23.2% for 11 years old , 22.4% for12 years olds , 24% of 13 years old  and 23.5% of 14 years old. Conclusion: There was a reverse relation  between BMI and age of menarche, however; it was not significant (p>0.1). This study suggests a high prevalence of obesity and relation between BMI and anthropometric parameters in adolesent girls. https://jfrh.tums.ac.ir/index.php/jfrh/article/view/54 https://jfrh.tums.ac.ir/index.php/jfrh/article/download/54/54