In a new study, researchers found an absolute risk of 4.42% of valproate use during pregnancy with autism spectrum disorder and an absolute risk of 2.50% for childhood autism.
This article aims to provide the general psychiatric community with an update on the major findings on the biology of ASDs as well as the advances in diagnostic and interventional strategies.
Three twin studies published between 1977 and 1995, which provided the main body of knowledge on heritability of autism, showed a concordance rate of 72% for a total of 36 monozygotic pairs and a concordance rate of 0% for 30 dizygotic pairs.