نتایج جستجو برای: age at menarche
تعداد نتایج: 4127068 فیلتر نتایج به سال:
BACKGROUND An increased incidence of central precocious puberty has been recently reported in South Korea, which suggests an ongoing downward trend in pubertal development in the Korean population. We aimed to verify the trend in age at menarche in young Korean women during the last decade and associated factors. METHODS We analyzed a population-based sample of 3409 Korean girls, aged 10-18 y...
PURPOSE We sought to evaluate the association between childhood socioeconomic status (SES) at two time points and age at menarche in a multiracial sample of U.S. girls. METHODS Our study population consisted of a cohort of female participants enrolled at birth at the New York site of the Collaborative Perinatal Project, who were born during the period 1959-1963 (n = 262). SES at birth, at age...
In the last two centuries, age at menarche has decreased in several European populations, whereas adult height has increased. It is unclear whether these trends have ceased in recent years or how age at menarche and height are related in individuals. In this study, the authors first investigated trends in age at menarche and adult height among 286,205 women from nine European countries by compu...
Mexican-American girls have one of the fastest rates of decline in age at menarche. To date, no study has addressed the role of psychosocial factors on age at menarche in this population. Using data from a longitudinal cohort of Mexican-American girls from the Houston, Texas, metropolitan area recruited in 2005, the authors investigated associations between family life and socioeconomic environ...
Background & Aim: Menarcheal age is an important indicator of puberty development in girls and is influenced by a wide variety of factors including race, socio-economic status and etc. The relationship between age at menarche with weight, and BMI is controversial. The present study was designed to determine the relationship between age at menarche and BMI. Methods & Materials: This was a cross–...
BACKGROUND Previous studies of the reproducibility of self-reported age at menarche have been limited because of small study samples, short follow-up and the limited age span of the women included. METHODS The present study assessed the reproducibility of age at menarche in 6731 women with a wide variation of age when giving the information about age at menarche. The women reported age at men...
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