Men and women with rheumatoid arthritis, an autoimmune condition, are at increased risk of having a child with autism.

Sophisticated animal models — including a new rat model — are revealing how maternal antibodies contribute to autism risk.

Mouse pups exposed to an immune response in the womb show autism-like behaviors and altered gene expression in brain cells called microglia.

Children with autism who were born late tend to also have intellectual disability.

Four large studies published since May arrive at various conclusions about whether exposure to antidepressants in the womb ups autism risk.

Taking prenatal multivitamins may reduce the risk of having a child who has autism with intellectual disability, another vaccine-autism link study is being retracted, and schizophrenia sometimes accompanies autism.

Patches of overactive neurons in the brains of mice exposed to inflammation in the womb may lead to autism-like features in the mice.

A monkey study suggests facial recognition is not innate, a puzzle piece symbol carries negative connotations, and scientists are using a federal law to snoop on colleagues.

Some drugs used to treat epilepsy may harm children who are exposed to them in the womb or through breast milk.