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There is a significant level of misdiagnosis of autism in neurodevelopmentally typical children; 18–37% of children diagnosed with ASD eventually lose their diagnosis. This high rate of lost diagnosis cannot be accounted for by successful ASD treatment alone.
Clinically significant symptoms of these two conditions commonly co-occur, and children with both sets of symptoms may respond poorly to standard ADHD treatments. Individuals with autism spectrum disorder may benefit from additional types of medications. [13] [14] The term AuDHD is sometimes used for those with both autism and ADHD.
ASD averages a 4.3:1 male-to-female ratio. The number of children on the autism spectrum has increased dramatically since the 1980s, at least partly due to changes in diagnostic practice; it is unclear whether prevalence has actually increased; [4] and as-yet-unidentified environmental risk factors cannot be ruled out. [5]
Two of Davis-Pierre's children — her daughter Malia, 9, and her son Davis, 6 — have been diagnosed with autism spectrum disorder. She also has the condition.
After an older child is diagnosed with ASD, 7% to 20% of subsequent children are likely to be as well. [122] If parents have one autistic child, they have a 2% to 8% chance of having a second child who is autistic. If the autistic child is an identical twin, the other will be affected 36% to 95% of the time.
Story at a glance People on the autism spectrum may also have varying co-occurring disorders and psychiatric conditions. An analysis of more than 4,600 autistic adults finds differences in the ...
Many, especially girls and those who have fewer social difficulties, may have been misdiagnosed with other conditions. Males are diagnosed with ASD four to five times more often than females. [6] [7] The reasons for this remain predominantly unclear, but current hypotheses include a higher testosterone level in utero, different presentations of ...
CDD is a rare condition, with only 1.7 cases per 100,000. [13] [14] [15]A child affected with childhood disintegrative disorder shows normal development. Up until this point, the child has developed normally in the areas of language skills, social skills, comprehension skills, and has maintained those skills for about two years.