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Girls and autism

For years autism was seen as primarily a male disorder. But some researchers are asking whether girls with ASD are going undiagnosed, especially those at the high-functioning end of the spectrum? Do girls simply do a better job masking their symptoms? Are their symptoms being missed by diagnostic tools that may be better suited to boys? As researcher John N. Constantino M.D. put it, are doctors looking at girls through "boy-colored glasses"?

Recent research has estimated that the prevalence of autism spectrum disorder (ASD) is between 1 in 91 and 1 in 150 births. Many more individuals are being diagnosed with ASD today than ever before, and investigators are working hard to better understand what is contributing to this increase in prevalence. What is less understood, however, is the difference in prevalence between boys and girls.