What are the Causes?

It is not known what causes an individual to have ASD. Much research is being done to try to find out more. At this point it is believed to result from changes to brain development which may be caused by a combination of factors, including environmental and genetic factors.

There is an increased chance of having another child with ASD, if there is already a child in the family with ASD, but no specific genes have yet been proven to cause ASD.

ASD is not caused by parenting or social circumstances.

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