Rett Syndrome

What is Rett Syndrome?

Rett Syndrome is a rare regressive neurological disorder that usually affects only girls.  Girls with Rett Syndrome appear to develop normally until six to eighteen months of age when they start to lose acquired skills. This begins with the loss of communication skills and purposeful use of their hands and is followed by progression to unusual movements such as hand washing, disturbances in gait and slowing of head growth.  Seizures and breathing problems may also appear.  Rett syndrome affects one in every 10,000-15,000 live-born female babies. It is caused by a gene mutation that occurs spontaneously.


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