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|Rett Syndrome (RS) is a developmental disorder that affects almost exclusively girls and begins in infancy or early childhood. It is characterized by normal prenatal development and postnatal development up to 6-18 months. At 6-18 months of age, the child develops the following symptoms. Initially the child loses purposeful hand use followed by the development of characteristic hand movements such as hand wringing. The child also presents with severe difficulties with talking and understanding language as well as poor fine & gross motor coordination, and a slowing of head-size growth. Other problems can also include seizures and difficulty breathing while awake. |
Rett Syndrome occurs in various countries and its prevalence rate is 1:10,000 to 1:23,000 live female births. It is sometimes misdiagnosed as autism, cerebral palsy or non-specific developmental delay.
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