OBJECTIVE The purpose of this study is to investigate factors influencing the osteo-sono assessment index (OSI) in junior high school students (boys, girls who had reached menarche, and girls who had not). METHODS A total of 9,743 students (4,974 boys and 4,769 girls) in Ehime Prefecture participated in this study. We measured body mass index (BMI) and calcaneal bone mass using OSI. In parall...

The present study explores the effect of age at menarche on the incidence of asthma during early adulthood. The analysis was based on Canadian girls followed up from 8-11 to 18-21 years of age during the first 6 cycles (1994-2005) of the National Longitudinal Survey of Children and Youth. Early menarche was defined as 1 standard deviation less than the average age at menarche. Asthma occurrence...

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...

Resting metabolic rate (RMR) and body composition were measured in 44 initially nonoverweight girls at three time points relative to menarche: premenarche (Tanner stage 1 or 2), menarche (+/-6 mo), and 4 yr after menarche. Mean absolute RMR was 1,167, 1,418, and 1,347 kcal/day, respectively. Absolute RMR was statistically significantly higher at menarche than at 4 yr after menarche despite stat...

Frisch, R. E., and Revelle, R. (1971). Archives of Disease in Childhood, 46, 695. Height and weight at menarche and a hypothesis of menarche. Height and weight at menarche were estimated by interpolation of longitudinal growth data for 181 girls. Mean weight at menarche, about 48 kg, does not change as menarcheal age increases, whereas mean height increases significantly. Early and late menarch...

The main aim of this paper is to construct menarcheal life-table of Nepal using sample survey data. An alternative technique for the construction such as a life-table based on models has been proposed. The construction of such a life-table describes the distribution of the waiting time for getting menarche at birth as well as some specified age or age group of girls (in years). The average expe...

PURPOSE To examine the relationship between menarcheal age and anthropometric indices and menstrual irregularity in late adolescent girls in Seoul. METHODS We surveyed 4,218 fertile adolescent girls between the ages of 16 and 18 years to determine their anthropometric indices and menarcheal age. Measurements were taken from June 2008 to October 2009 at seven girl's high schools in Seoul, Kore...

BACKGROUND Early menarche has been linked to risk of several chronic diseases. Prospective research on whether the intake of soft drinks containing caffeine, a modulator of the female reproductive axis, is associated with risk of early menarche is sparse. OBJECTIVE We examined the hypothesis that consumption of caffeinated soft drinks in childhood is associated with higher risk of early menar...

OBJECTIVE The aim of this study was to determine the effect of psychosocial factors on the age at menarche of girls in Federation of Bosnia and Herzegovina (FBH). SUBJECTS AND METHODS A cross-sectional study was conducted from September 2002 to May 2003 in all Cantons of the FBH. The random stratified sample included 19.803 girls aged 9.0 to 17.5 years. Data were collected using the status qu...

Background Menarche is a substantial and important period in the health of adolescent girls’, and has a significant impact on their health in the upcoming years. Accordingly, in this study, we aimed to not only determine the average age of menarche among high school girls in Qom city, but also to examine the effect of some factors on onset age of menarche. Materials and Methods In this cross-se...