منابع مشابه
Prenatal factors, childhood growth trajectories and age at menarche.
BACKGROUND In recent studies a larger birth size has been shown to delay the timing of menarche. The mechanisms underlying this association are not clear, however, as birthweight is a predictor of body size in childhood, and a large body size is known to be associated with an early onset of menarche. METHODS Data from a representative British cohort of 2547 girls born in 1946 who were followe...
متن کاملSize at birth predicts age at menarche.
OBJECTIVE This study examines the relationship of intrauterine growth, measured by size and maturity at birth, to age at menarche, while also considering a wide range of other factors that may affect maturation. The research is motivated by the current debate about the importance of the prenatal environment as a determinant of later disease risk. METHODS Data were collected during the Cebu Lo...
متن کاملSerum Dioxin Concentrations and Age at Menarche
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), a widespread environmental contaminant, is associated with delays in pubertal development in animal studies. On 10 July 1976, as a result of a chemical explosion, residents of Seveso, Italy, experienced the highest levels of TCDD exposure experienced by a human population. Twenty years later, we initiated the Seveso Women's Health Study (SWHS), a retr...
متن کاملAge at Menarche and its Relationship to Anthropometric Indices in Adolescent Girls
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...
متن کاملDiet throughout childhood and age at menarche in a contemporary cohort of British girls.
OBJECTIVE To investigate associations between dietary intakes throughout childhood and age at menarche, a possible indicator of future risk of disease, in a contemporary cohort of British girls. DESIGN Diet was assessed by FFQ at 3 and 7 years of age, and by a 3 d unweighed food diary at 10 years. Age at menarche was categorised as before or after 12 years 8 months, a point close to the media...
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ژورنال
عنوان ژورنال: Journal of Adolescent Health
سال: 2013
ISSN: 1054-139X
DOI: 10.1016/j.jadohealth.2012.06.006