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Normal pattern of pubertal changes in Nigerian boys

E R Ezeome1, S O Ekenze, R O Obanye

  • 1Medical Students' Research Society, University of Nigeria Teaching Hospital, Enugu, Nigeria.

West African Journal of Medicine
|January 1, 1997
PubMed
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Nigerian boys experience puberty onset between ages 9-15, with urban boys maturing faster than rural boys. This study highlights later sexual development initiation in Nigerian boys compared to those in developed countries.

Area of Science:

  • Pediatrics
  • Human Biology
  • Anthropology

Background:

  • Puberty onset and progression vary significantly across global populations.
  • Understanding the timing of sexual maturation in Nigerian boys is crucial for health assessments.

Purpose of the Study:

  • To determine the mean age of puberty onset in Nigerian boys.
  • To investigate the correlation between physical features of puberty in this demographic.
  • To compare the timing of sexual maturation with boys from developed countries.

Main Methods:

  • A randomized community-based survey was conducted.
  • Biographical data were collected from 162 urban and 304 rural school boys.
  • Sexual maturation was staged using Tanner's criteria for pubic hair and external genitalia.

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Main Results:

  • Sexual maturation in Nigerian boys begins between 9 and 15 years of age.
  • Genitalia maturation generally precedes pubic hair maturation.
  • While maturation starts concurrently, urban boys complete it faster than rural boys, with full maturation by age 19 for most.

Conclusions:

  • Nigerian boys initiate sexual development later than their counterparts in developed countries.
  • Variations in maturation rates exist between urban and rural Nigerian boys.
  • Genitalia and pubic hair maturation stages can be discordant, though often concordant.