Twin Studies | Autism Speaks

Early environment shared by twins contributes to autism risk

It’s not just genes.

The results of the largest autism twin study ever performed suggest that environmental influences during pregnancy may significantly increase the risk for autism spectrum disorder (ASD) among twins. This contrasts... More...

Study Finds Pregnancy and Birth Environment May Affect Development of Autism in Twins

NEW YORK, N.Y. (July 4, 2011) – Autism Speaks, the world’s largest autism science and advocacy organization, joined in announcing significant findings from the largest known study of twins with autism spectrum disorder (ASD). This work... More...