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Research ArticleOpen accessIn the author namesMean Age of Menarche in Trinidad and Its Relationship to Body Mass Index, Ethinicity and Mothers Age of MenarcheEdward O. Uche-Nwachi, A. Odekunle, Johann Gray et al.Menarche is the first menstrual period. It is the final event in the physical manifestation of gonadal development. A study in Europe found that the median age of menarche was 12 years and 11 months and that by the tenth year, 0.8% of the girls had their first menses, while the figure for the eleventh and twelfth years were 3.6 … …OnLine Journal of Biological Sciences, Vol. 7, Issue 2 · 31 Dec 2007 · 8,993 accessesView PDF Cite

1 article for “Johann Gray”