Age at Menarche and First Pregnancy Among Psychosocially At-Risk Adolescents
نویسندگان
چکیده
منابع مشابه
Age 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 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...
متن کاملNutritional status and age at menarche of Senegalese adolescents.
Growth and maturation during adolescence has not been well described in rural African populations, although it may represent the missing link between high levels of preschool stunting and nearly 'normal' adult heights. In 1995 the homes of subjects aged 10.3-17.5 years, living in a rural area of Senegal, were visited, and all adolescents present, 1527 boys and 1126 girls, were included in the a...
متن کاملAge at menarche and age at first sexual intercourse: a prospective cohort study.
OBJECTIVE Younger age at menarche (AAM) may put girls at risk for earlier first sexual intercourse (FSI). Young age at FSI has far-reaching negative outcomes. We describe the longitudinal relationship between AAM and FSI in a large prospective birth cohort. METHODS AAM was collected from 554 girls from the Western Australia (Raine) Pregnancy Cohort Study, prospectively from age 10 or retrospe...
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...
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ژورنال
عنوان ژورنال: American Journal of Public Health
سال: 2008
ISSN: 0090-0036,1541-0048
DOI: 10.2105/ajph.2007.120444