Pervasive developmental disorder facts for kids
Pervasive developmental disorders (PDD) are a group of disorders. There are five disorders in the group. These disorders all slow down the rate a child learns to talk and listen to others, as well as cause other problems.
The five disorders are:
- Pervasive disorder not otherwise specified (PDD-NOS)
- Autism
- Asperger Syndrome
- Rett syndrome
- Childhood disintegrative disorder (CDD).
The first three of these disorders are also called autism spectrum disorders. The last two are not common.
A child's parents might begin to notice signs of PDD when the child is a baby, and it usually appears before the child is three years old.
See also
In Spanish: Trastorno generalizado del desarrollo para niños
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Pervasive developmental disorder Facts for Kids. Kiddle Encyclopedia.