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Fragile X

The Fragile X and Related Conditions Clinic (FXRC) provides streamlined access to evaluation, treatment and resources for individuals and families affected by Fragile X syndrome (FXS).

What is Fragile X syndrome?

FXS is the most common form of inherited intellectual disability, with impairments varying broadly across mild learning disabilities to autism.  In addition, there may be behavioural and emotional concerns such as hyperactivity, anxiety and mood disorders.

Diagnosis in children often leads to identification of family members with premutations and associated conditions.

Fragile X Testing

Fragile X Testing should be considered for:

  • any individual with otherwise unexplained developmental delays, mental impairments or autism;
  • older males experiencing tremors/ ataxia; and 
  • younger females experiencing infertility or early menopause.