Etudes epidemiologiques du syndrome de l'X fragile

Translated title of the contribution: Epidemiological studies of fragile X syndrome

Research output: Contribution to journalArticlepeer-review


The results of the main epidemiological surveys of fragile X syndrome are reviewed. Studies using cytogenetic methods have typically yielded estimates in the 1/1000 to 2000 range whereas more recent investigations relying on molecular biology techniques have provided more conservative estimates of 1/4000 for males and of 1/7000 for females. We then provide estimates of the numbers of French children with the condition. Available French studies suggest that fragile X syndrome is still underrecognized.

Translated title of the contributionEpidemiological studies of fragile X syndrome
Original languageFrench
Pages (from-to)209-212
Number of pages4
JournalANAE - Approche Neuropsychologique des Apprentissages chez l'Enfant
Issue number45
StatePublished - 1997
Externally publishedYes


  • Epidemiology
  • Fragile X
  • Prevalence studies
  • Screening

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Developmental and Educational Psychology


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