relation of obesity and menarche age among adolescent students

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.