Fragile X Syndrome is a genetic condition and is the most common known cause of inherited learning disabilities. In the UK, it affects around 1 in 4000 males, as well as 1 in 6000 females.
Here you will find an introduction to fragile X. If you would like more detailed information about fragile X, including about specific issues like behaviour or educational needs, then you can download the publications. You can also get support and information from the Fragile X Society via the Family Support Workers.