alexa Reproductive System Open Access|OMICS International|Reproductive System And Sexual Disorders

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Reproductive System Open Access

Menarche (the first menstrual bleeding of a female) represents the endpoint of a complex sequence of events that characterize sexual maturation and puberty in girls. It is unique, and probably, the most accurately recallable indicator of puberty among girls and a widely used indicator of adolescence sexual maturation. Variations in age at menarche between individuals and populations have been documented. It is influenced by social, environmental and genetic factors. The mean age at menarche varies from one population to another. Background: Age at menarche varies with time and the influence of social factors depends on the population under consideration. To determine the mean age at menarche among secondary school girls in Benin City and examine some social factors that might influence it. In this cross-sectional study in Benin City, Nigeria, information on age at menarche was obtained from 1,640 menstruating urban secondary school girls (aged between 10 and 20 years) using the status quo method. Information sought in the structured questionnaire used included date of birth, date of menarche, educational attainment of parents, and occupation of parents, birth position, family size and state of origin. Data was analyzed using SPSS (Statistical Package for Social Sciences), version 15.0. The mean age at menarche was 13.44 + 1.32 years (95% Confidence Interval, CI= 13.36-13.50). Of the 1,640 girls who have attained menarche, 31(1.9%) were below the age of 12 years (early menarche). Socioeconomic status, birth position and family size had significant bearing with mean menarcheal age at p< 0.001, p< 0.01 and p< 0.01 respectively. The current mean age at menarche among secondary school girls in Benin City is 13.44 years and it is influenced by socioeconomic status, birth position and family size. Menarcheal Age of Nigerian Urban Secondary School Girls in Benin City: Alphonsus N. Onyiriuka, Phillip O. Abiodun, Rita C. Onyiriuka, Frances A. Ehirim and Eucharia P. A. Onyiriuka.
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Last date updated on June, 2014

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