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ST. LOUIS (KTVI) – Girls with autism are diagnosed later and less often than boys, but researchers now know why.

It turns out girls have different, less obvious symptoms compared to boys. And boys are nearly five times more likely than girls to have autism.

Dr. Natasha Marrus, an instructor in the division of child psychiatry at Washington University, visits Fox 2 News in the Morning to discuss the latest developments in the field of autism research.