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Klinefelter syndrome

Psychological and behavioural characteristics

The information below has been drawn up by Dr A Kuczynski, Child Clinical Psychologist, South London & Maudsley NHS Trust, London, UK and Dr O Udwin, Consultant Clinical Child Psychologist, West London Mental Health NHS Trust, London, UK. It has also been approved by the Society for the Study of Behavioural Phenotypes.

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As pointed out above, many individuals with the syndrome may be relatively unaffected. Current knowledge may emphasise the more obvious problems in some cases of the syndrome, rather than those who develop comparatively normally.

That said, it is thought that affected individuals are more susceptible to learning problems than the general population, especially in the areas of early speech delay, persistent language difficulties, and difficulties in reading and writing.

Children with the syndrome have been described as relatively placid and compliant. The combination of learning difficulties and abnormal development of sexual characteristics can contribute to low self-esteem and individuals may experience social difficulties in adolescence and adulthood, varying from withdrawal to aggression.

View What are the symptoms? What are the symptoms?  |  What are the causes? View What are the causes?

Medical text written November 1991 by Contact a Family. Approved by Professor M Patton, Professor of Medical Genetics, St Georges Hospital Medical School, London, UK and Dr J E Wraith, Consultant Paediatrician, Royal Manchester Children's Hospital, Manchester, UK. Last updated September 2005 by Dr R Stanhope, Consultant Paediatric Endocrinologist, Great Ormond Street Hospital, London, UK.

 

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