منابع مشابه
Age at menarche in Nigerian athletes.
The subjects of the study were 418 highly successful female athletes and 512 female non-athletes drawn from all over Nigeria. Recall procedures were used to ascertain the age at menarche. The study gave the following results: In general, over-all mean menarcheal age of athletes (14.13 years) was significantly higher (p less than .05) than that of non-athletes (13.57 years). Menarche was signifi...
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 کاملAge at menarche in Jordanian girls.
he most important event in the whole process of female puberty is the onset of cyclic menses (menarche). The age of the menarche varies in different part of the world and is known to be influenced by genetic, socio-economic status, and environmental conditions, body status and level of education,1 age at menarche was first calculated in mid 19th century in Denmark,2 since then, many authors hav...
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 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...
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ژورنال
عنوان ژورنال: British Journal of Sports Medicine
سال: 1982
ISSN: 0306-3674
DOI: 10.1136/bjsm.16.4.250