What is the rate of incidence of degenerative developmental disabilities?
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Degenerative developmental disabilities are relatively uncommon. For example, Rett syndrome is diagnosed in about one child per 10,000 to 20,000. Other developmental disabilities, such as autism, are more common.
Degenerative developmental disabilities are relatively uncommon. For example, Rett syndrome is diagnosed in about one child per 10,000 to 20,000. Other developmental disabilities, such as autism, are more common. More
