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...

the different parts of the country, and be influenced by many factors. Maya Bhalla and Srivatsava (6) found a declining trend in the menarcheal age of Kanpur girls. Amrita Bagga and Kulkarni (7) found a mean menarcheal age of 12.6 years in 366 Maharashtrian girls from Poona. They compared this with previous data from Maharashtrian girls and found a lowering of menarcheal age from 1960 onwards, ...

Menstrual disorders frequently affect the quality of life of adolescents and young adult women and can be indicators of serious underlying problems. The objective of this study was to determine the prevalence and pattern of menstrual symptoms among nursing students in Beirut, Lebanon. Of 352 students completing a written questionnaire, the most common menstrual disorders were irregular frequenc...

BACKGROUND Age at menarche is known to be regulated by genetic and environmental factors. To date, no menarcheal data are available on North Korean women. In this cross-sectional survey, we investigated age at menarche and its possible influencing factors in North Korean refugees. METHODS Four hundred and eleven North Korean refugees were surveyed at a North Korean female refugee camp using a...

OBJECTIVES To estimate age at menarche and to assess trends in menarcheal age among Saudi women. METHODS A prospective longitudinal study was conducted among healthy prepubertal female school children and adolescents from September 2006 to July 2012 in Riyadh, Kingdom of Saudi Arabia. Study participants were invited from diverse socioeconomic backgrounds. Tanner stage, height, weight, body ma...

OBJECTIVE To evaluate the epidemiology of pubertal development of girls in a developing community. METHODS The cross-sectional study was undertaken in July 2005, on 788 healthy 7-16 years old girls in Gorgan, the most populous city of Golestan province in northern Iran. Physical examination, was performed and height, weight and body mass index were noted. Pubertal stages were assessed by clin...