Signs and symptoms of autism are typically present before age 3, with some of the related developmental delays emerging by 18 months. There is no evidence that vaccines cause autism. Autism tends to run in families, and there are risk factors such as parental age, space between pregnancies, and some pregnancy/birth complications. While we do not know specifically what causes autism, science has narrowed down some of the risk factors, both genetic and environmental (non-genetic). While boys are 4 times more likely to be diagnosed as compared to girls, there is progress in identifying the condition in females, who do not always fit the stereotypical picture of autism that boys may. This statistic represents a 15% increase in autism prevalence as compared to numbers from 2016. It is a term that refers to Autism Spectrum Disorder (ASD), a group of subtypes of conditions including Asperger Syndrome, Childhood Disintegrative Disorder, Autistic Disorder and Pervasive Developmental Disorder (identified by the American Psychiatric Association).Īccording to numbers published by the Center for Disease Control (CDC) in 2018, approximately 1 in 59 children in the United States are diagnosed with autism. Autism is a developmental disability that is characterized by challenges with social skills, communication, and behavior.
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