What Causes Autism?

Author
By shirley
Reviewed
Reviewed: dr. vanta
Article Sources Article Sources
  • 1. 'Autism Spectrum Disorder Fact Sheet.' _National Institute of Neurological Disorders and Stroke_, U.S. Department of Health and Human Services, www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Fact-Sheets/Autism-Spectrum-Disorder-Fact-Sheet#3082 5.
  • 2. 'What Is Autism Spectrum Disorder?' _Centers for Disease Control and Prevention_, Centers for Disease Control and Prevention, 25 Mar. 2020, www.cdc.gov/ncbddd/autism/facts.html.
  • 3. 'Autism Causes.' _Southwest Autism Research & Resource Center (SARRC)_, 2 Oct. 2019, www.autismcenter.org/autism-causes.
  • 4. 'What Causes Autism?' _Autism Speaks_, www.autismspeaks.org/what-causes-autism.
  • 5. 'Autism Causes.' _Southwest Autism Research & Resource Center (SARRC)_, 2 Oct. 2019, www.autismcenter.org/autism-causes.
  • 6. 'Large Study on Parent Age & Autism Finds Increased Risk with Teen Moms.' _Autism Speaks_, www.autismspeaks.org/science-news/large-study-parent-age-autism-finds-increased-risk-teen-moms.
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  • 8. 'Key Findings: Autism Is Associated with Amount of Time Between Births._' Centers for Disease Control and Prevention_, Centers for Disease Control and Prevention, 27 Aug. 2019, www.cdc.gov/ncbddd/autism/features/time-between-births.html.
  • 9. 'Key Findings: Opioids Prescribed Just Before Pregnancy Associated With Autism.' _Centers for Disease Control and Prevention_, Centers for Disease Control and Prevention, 27 Aug. 2019, www.cdc.gov/ncbddd/autism/features/kf-opioids-pregnancy-autism.html.
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Medical Expert Medical Expert

3. Age of Parents

A large, multinational study found a link between parental ages and the incidence of autism. When one parent is aged 40 or older, their offspring are more likely to have autism. The incidence of autism in children increases if both parents are over 40 years old.

The study also revealed an increased likelihood of autism in children whose parents have an age gap of 10 or more years. Teenage mothers are more likely to have children with autism than mothers in their 20s.6‘Large Study on Parent Age & Autism Finds Increased Risk with Teen Moms.’ Autism Speaks, www.autismspeaks.org/science-news/large-study-parent-age-autism-finds-increased-risk-teen-moms.

Autism

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