Fragile X syndrome
Fragile X causes intellectual disability, behavioural and learning difficulties, and physical problems. It’s the commonest genetic cause of autism.
Cri du chat syndrome
Cri du chat (“cat’s cry”) syndrome is a rare genetic disorder that causes delayed physical development, a small head size and intellectual disability. Learn more here, including why the condition has this name.
Speech pathology aims to help people who can’t communicate effectively. Learn more about speech pathologists, what they do and how they can help.
5 things people with Down syndrome want you to know
About 1 in every 1,100 babies born has Down syndrome — and most will enjoy a long, healthy life. Here's what you need to know about Down syndrome (Trisomy 21).