Prenatal factors, childhood growth trajectories and age at menarche
نویسندگان
چکیده
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 کاملAge at Menarche and its Related Factors among School Girls, in Zanjan, Iran
BackgroundThere are differences in the age at menarche in different countries and it seems that in recent decades gradually the age of puberty is declining. The aim of the present study was to determine the age at menarche and its related factors in school girls in Zanjan city, Iran.Materials and MethodsThis cross-sectional study was conducted on 1,500 healthy school girls between 6-17 years ol...
متن کاملFactors Related to the Age at Menarche in Iran: A Systematic Review and Meta-Analysis
Background Reduced age at menarche is an important health indicator for women and may be associated with complications such as an increased risk of asthma, breast cancer, ovarian cancer, type 2 diabetes. We aimed to examine the factors related to the age at menarche in Iran. Materials and Methods: In this systematic review and meta...
متن کاملEarlier Mother's Age at Menarche Predicts Rapid Infancy Growth and Childhood Obesity
BACKGROUND Early menarche tends to be preceded by rapid infancy weight gain and is associated with increased childhood and adult obesity risk. As age at menarche is a heritable trait, we hypothesised that age at menarche in the mother may in turn predict her children's early growth and obesity risk. METHODS AND FINDINGS We tested associations between mother's age at menarche, mother's adult b...
متن کاملAge at menarche in Korean adolescents: trends and influencing factors
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...
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ژورنال
عنوان ژورنال: International Journal of Epidemiology
سال: 2002
ISSN: 1464-3685
DOI: 10.1093/ije/31.2.405