There may be many different factors that make a child more likely to have an ASD, including environmental, biologic and genetic factors. ASD continues to be an important public health concern.
Understanding the factors that make a person more likely to develop ASD will help us learn more about the causes. We are currently working on one of the largest U.
SEED is looking at many possible risk factors for ASD, including genetic, environmental, pregnancy, and behavioral factors. ASD occurs in all racial, ethnic, and socioeconomic groups, but is about 4 times more common among boys than among girls. We have learned a lot about how many U. It will be important to use the same methods to track how the number of children with ASD is changing over time in order to learn more about the disorder.
If you or the doctor is still concerned, ask the doctor for a referral to a specialist who can do a more in-depth evaluation of your child. Specialists who can do a more in-depth evaluation and make a diagnosis include:. This is sometimes called a Child Find evaluation. Some people have had concerns that ASD might be linked to the vaccines children receive, but studies have shown that there is no link between receiving vaccines and developing ASD. For more information about vaccines and ASD, click here.
Skip directly to site content Skip directly to page options Skip directly to A-Z link. Section Navigation. Sign up now or Log in. Definitions Clear explanations of natural written and spoken English. Click on the arrows to change the translation direction. Follow us. Choose a dictionary. Clear explanations of natural written and spoken English. Usage explanations of natural written and spoken English.
Grammar Thesaurus. Word Lists. Choose your language. My word lists. Tell us about this example sentence:. The word in the example sentence does not match the entry word. The sentence contains offensive content. The number of children diagnosed with autism spectrum disorder is rising. It's not clear whether this is due to better detection and reporting or a real increase in the number of cases, or both. Autism spectrum disorder affects children of all races and nationalities, but certain factors increase a child's risk.
These may include:. There's no way to prevent autism spectrum disorder, but there are treatment options. Early diagnosis and intervention is most helpful and can improve behavior, skills and language development. However, intervention is helpful at any age. Though children usually don't outgrow autism spectrum disorder symptoms, they may learn to function well. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
This content does not have an English version. This content does not have an Arabic version. Overview Autism spectrum disorder is a condition related to brain development that impacts how a person perceives and socializes with others, causing problems in social interaction and communication.
Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Autism spectrum disorder ASD. Centers for Disease Control and Prevention. Accessed April 4, Uno Y, et al. Early exposure to the combined measles-mumps-rubella vaccine and thimerosal-containing vaccines and risk of autism spectrum disorder. Taylor LE, et al. Vaccines are not associated with autism: An evidence-based meta-analysis of case-control and cohort studies.
Weissman L, et al. Autism spectrum disorder in children and adolescents: Overview of management. Autism spectrum disorder. Arlington, Va. Autism spectrum disorder in children and adolescents: Complementary and alternative therapies. Augustyn M. Autism spectrum disorder: Terminology, epidemiology, and pathogenesis. Bridgemohan C. Autism spectrum disorder: Surveillance and screening in primary care.
0コメント