New recommendations urge clinicians to screen teenagers for autism when they seek treatment at gender clinics, and evaluate those with autism for gender concerns.

Children with low intelligence or behavioral issues — but not autism — may meet the criteria for autism on standard diagnostic tests.

A set of seven standard tests can accurately assess cognitive capacities in people with various types of intellectual disability.

Children who officially lose their autism diagnosis show no residual signs of the condition.

Deletion of a section of chromosome 22 can cause psychosis in one individual and autism in another, via independent biological pathways.

A new study shows that women with autism are continually misunderstood, work to camouflage their true selves and face a high risk of sexual abuse.

An inexpensive new set of tests allows researchers to rapidly analyze the genetic glitch underlying fragile X syndrome.

Modern treatments for autism are often led by parents and integrated into a child’s daily life.

Finding a difference between people with and without autism is only the first step toward identifying a clinically useful marker of the condition.

The first large population-based analysis of the prevalence of regression in autism reveals that it occurs in 20 percent of children with autism.