A mouse model hints that genes linked to inflammation in some women may increase the likelihood of autism in their children.

The link between autism and prenatal exposure to an immune response may involve altered levels of immune cells, according to a new study.

In this edition of Null and Noteworthy, researchers rebut a controversial epidural study, test out autism assessments in toddlers and give the okay for multilingualism in autistic children.

Children with highly folded and curved brains in utero tend to show autism-linked behaviors at 18 months of age, according to a longitudinal brain-imaging study.

Certain antibodies may shape neurodevelopment by attaching to and invading new neurons in the brain.

Too little — or too much — of certain substances during pregnancy may increase the odds of having a child with autism. Here we explain what scientists know about these associations.

The pace of fetal head growth is associated with behavioral outcomes two years later, according to a new study.

A typically protective stress response could help to explain the connection between maternal illness and neurodevelopmental conditions.

Autism and other neurodevelopmental conditions are more common among children born by C-section than those delivered vaginally, but the procedure itself does not underlie the association, according to a new study.

Newborns with either above- or below-average levels of an immune-system marker, among other differences, have increased odds of being autistic.