Diagnosis

Most toddlers who screen positive for autism do not receive the recommended referrals for follow-up tests or therapies.

Brothers and sisters of people with autism are both about two to three times more likely than the general population to have an autistic child themselves.

Three widely used tests for assessing autism can accurately measure trait severity in girls and boys.

A new study highlights the challenge of distinguishing genetic variants linked to autism from those associated with cognitive development.

Autistic preschoolers may get too little therapy and too much medication, according to a new study.

Cut off from clients by the pandemic, clinicians are turning to video conferencing and other technologies to diagnose children with autism.

A new blood test can identify within seven hours whether a person carries the genetic mutation underlying fragile X syndrome.