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The known maternal risk factors for autism diagnosis in her offspring are similar to the risk factors for sleep apnea. For example, advanced maternal age, maternal obesity , maternal type 2 diabetes and maternal hypertension all increase the risk of autism in her offspring.
There is an association between exposure to traffic-related air pollution and autism risk. [6] There may be a causative link between both exposure to air pollution, a variant in the MET receptor tyrosine kinase gene and risk of autism. [7] Maternal use of folic acid supplements may be associated with a decreased risk of autism. However, the ...
Among these measurements, the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) are considered the "gold standards" for assessing autistic children. [ 24 ] [ 25 ] The ADI-R is a semi-structured parent interview that probes for symptoms of autism by evaluating a child's current behavior and ...
A new Canadian study suggests that women who take antidepressants during pregnancy may be more likely to give birth to children with autism. Antidepressants in pregnancy tied to autism Skip to ...
Classic autism, also known as childhood autism, autistic disorder, or Kanner's syndrome, is a formerly diagnosed neurodevelopmental disorder first described by Leo Kanner in 1943. It is characterized by atypical and impaired development in social interaction and communication as well as restricted, repetitive behaviors, activities, and interests.
Several prenatal and perinatal complications have been reported as possible risk factors for autism. [205] These risk factors include maternal gestational diabetes, maternal and paternal age over 30, [206] [207] [208] bleeding during pregnancy after the first trimester, use of certain prescription medication (e.g. valproate) during pregnancy ...
Unusual responses to sensory stimuli are more common and prominent in individuals with autism, and sensory abnormalities are commonly recognized as diagnostic criteria in autism spectrum disorder (ASD), as reported in the DSM-5; although there is no good evidence that sensory symptoms differentiate autism from other developmental disorders. [84]
A 2007 study that modeled autism incidence found that broadened diagnostic criteria, diagnosis at a younger age, and improved efficiency of case ascertainment, can produce an increase in the frequency of autism ranging up to 29-fold depending on the frequency measure, suggesting that methodological factors may explain the observed increases in ...