Document Detail


Onset of puberty at eight years of age in girls determines a specific tempo of puberty but does not affect adult height.
MedLine Citation:
PMID:  15303800     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIMS: To analyse the effect of early puberty (onset between 7.5 and 8.5 y) on pubertal growth and adult height in girls, and the implications of this effect for the age limit for normal onset of puberty. METHODS: Longitudinal study in Reus (Spain) of 32 girls with early puberty until they reached adult height. Data from these girls were compared with longitudinal data from girls (116) from the same population with normal onset at 10 (n = 37), 11 (n = 47), 12 (n = 19) and 13 (n = 13)y. We analysed height, target height, adult height, pubertal height increase, duration of pubertal growth, age at menarche and time to menarche. RESULTS: The adult height of girls with early puberty (160.9 +/- 5.4cm) was similar to that of girls with onset at later ages (p = not significant). In these girls, puberty lasted 5.4 +/- 0.7 y and the mean growth during puberty was 31.1 +/- 3.5 cm. As the age of onset of puberty increases, the duration of puberty and mean growth during puberty progressively decreased (p < 0.001). Girls with early puberty reached menarche at a mean age of 10.9 +/- 1.0 y, 3.2 +/- 0.9 y after onset of puberty, and this time span was greater than in the other groups. CONCLUSION: Girls with onset of puberty at 8 y show all the compensatory phenomena related to height at onset, pubertal duration and height increase during puberty. These phenomena cause their adult height to be similar to that of girls who begin puberty at the age of 10 to 13 y.
Authors:
D Llop-Viñolas; B Vizmanos; R Closa Monasterolo; J Escribano Subías; J D Fernández-Ballart; C Martí-Henneberg
Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Acta paediatrica (Oslo, Norway : 1992)     Volume:  93     ISSN:  0803-5253     ISO Abbreviation:  Acta Paediatr.     Publication Date:  2004 Jul 
Date Detail:
Created Date:  2004-08-11     Completed Date:  2004-10-21     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9205968     Medline TA:  Acta Paediatr     Country:  Norway    
Other Details:
Languages:  eng     Pagination:  874-9     Citation Subset:  IM    
Affiliation:
Paediatrics and Human Growth Research, Faculty of Medicine and Health Sciences, Universitat Rovira i Virgili, Tarragona, Spain.
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MeSH Terms
Descriptor/Qualifier:
Adult
Age Factors
Body Height / physiology*
Child
Female
Humans
Longitudinal Studies
Puberty / physiology*
Spain

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