It is estimated to affect about 1 in 12,000 girls born each year and is only rarely seen in males.
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Advice for carers
Read about Rett syndrome, a rare genetic disorder that affects brain development and causes severe physical and mental disability from early childhood.
Some children with Rett syndrome are affected more severely than others.Also,the age at which symptoms first appear varies from child to child. A childwith Rett syndrome may not haveevery symptom lis
Almost all cases of Rett syndrome are caused by a mutation (a change in the DNA ) in the MECP2 gene, which is found on the X chromosome (one of the sex chromosomes ). The MECP2 gene contains instruct
Rett syndrome is usually diagnosed based on your child's symptoms, and by ruling out other more common disorders. A diagnosis of Rett syndrome may not be madefor a number of years because the syndrom