What is Fragile X Syndrome

Fragile X Syndrome is the most common known cause of inherited intellectual disability and the most common known single gene cause of autism spectrum disorder.

Facts about Fragile X Syndrome

  • Fragile X Syndrome is an inherited, life-long condition
  • People with Fragile x Syndrome have intellectual disability, behavioural and learning challenges, as well as certain physical characteristics
  • Depending on how an individual’s FMR1 gene has been changed by Fragile X depends whether they show symptoms of Fragile X or are carriers with no symptoms
  • Fragile X Syndrome occurs in both males and females but females generally have milder symptoms than males
  • Fragile X is the leading known genetic cause of autism

What impacts can Fragile X Syndrome have?

People living with Fragile X Syndrome experience the effects throughout their lifetime. These effects will vary from person to person and may include:

  • Intellectual and learning disability
  • Speech delay or minimal speech
  • Fine and gross motor delay, coordination difficulties
  • Low muscle tone
  • Anxiety, hyperarousal, ADHD, depression
  • Autistic-like behaviours
  • Aversion to touch, loud noises, bright lights & strong smells
  • Avoidance of eye contact
  • Mood instability

This information has been provided to us by the Fragile X Association.

 

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