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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Sexual maturation and growth pattern in Egyptian boys
Annals of Human Biology, Volume 8, No. 5, Year 1981
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Description
The mean ages of attainment of successive stages of puberty were estimated in a cross-sectional sample of 453 Egyptian schoolboys from a semi-urban area of Cairo, ranging in age from 9 to 17 years. The stages of puberty were as defined by Tanner (1962). The mean age of onset of puberty (stage 2) was 11·1 years, assessed either by genitalia or by pubic hair. Stage 5 occurred at age 16·2 years, again both for genitalia and pubic hair. The time interval between these ages, 5·1 years, was 2 years longer than for British or Chinese boys. There was a highly significant effect of social class on the mean ages of attainment, and the heights and weights of the boys were also related to social class, the class 1 boys being taller and heavier than Tanner's British boys. © 1981 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.
Authors & Co-Authors
Hafez, A. S.
Egypt, Giza
National Research Centre
United Kingdom, Cambridge
Mrc Mitochondrial Biology Unit
Salem, Sohair I.
Egypt, Giza
National Research Centre
United Kingdom, Cambridge
Mrc Mitochondrial Biology Unit
Cole, T. J.
Egypt, Giza
National Research Centre
United Kingdom, Cambridge
Mrc Mitochondrial Biology Unit
Galal, Osman M.
Egypt, Giza
National Research Centre
United Kingdom, Cambridge
Mrc Mitochondrial Biology Unit
Massoud, Ahmad Mohamed A.
Egypt, Giza
National Research Centre
United Kingdom, Cambridge
Mrc Mitochondrial Biology Unit
Statistics
Citations: 21
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1080/03014468100005291
Research Areas
Sexual And Reproductive Health
Study Design
Cross Sectional Study
Participants Gender
Male