A movement to ban valproate during pregnancy gains a foothold in France, people with auditory hallucinations seek to demedicalize the experience, and adults on the spectrum speak out.

The evidence linking autism and maternal infections grows, special neuron recipes are in development, a CRISPR pioneer envisions unicorns, and 23andMe delivers empathy data.

A woman who smokes while pregnant may increase autism risk in her daughter’s children.

Girls with autism may not get a diagnosis because certain features of the condition look different in them than they do in boys.

Autism traits may become more apparent as girls reach adolescence but stay stable in boys.

Pediatricians are failing to identify 80 percent of toddlers who need an evaluation for autism, and are missing nearly twice as many girls as boys.

A boost in the activity of microglia, the brain’s immune cells, during gestation may predispose boys to autism.

A massive new analysis drops the ratio of boys to girls who qualify for an autism diagnosis to about 3-to-1.