Age of Menarche and Its Related Factors in School Girls of Shahrekord

Abstract Background: Considering different effective factors in age of menarche in different geographical areas and the necessity of determining a reliable and upto-date reference in this field, the aim of this study was to determine the mean age of menarche in 11-18 years old school-girls of Shahrekord. Methods: This was a descriptive cross-sectional study among 778 school girls aged 11-18 years of Shahrekord which were selected by clustering method among 8163 students. Data was collected using a questionnaire about demographic ..