Girls with autism traits have fewer problems with social communication than boys do early on, but their skills worsen by adolescence.

More boys than girls have autism; diagnostic biases and genetic factors may explain the skewed sex ratio.

Female mice may compensate for the loss of a piece of chromosome 16 better than male mice do.

Girls with an autism diagnosis have more severe impairments in social communication than boys with the diagnosis.

A greater proportion of 3-year-old girls than boys with autism have psychiatric features such as anxiety and moodiness.

A researcher proposes splitting autism into subtypes, mitochondria make neurotransmitters, and highly successful grantees may face a funding cap.

Girls with autism may have less severe restricted and repetitive behaviors than do boys on the spectrum.

A woman with autism had to fight for her sterilization surgery, a mother’s tactics with her son on the spectrum generate controversy, and gifted students with autism have unique struggles.

How the brain’s immune cells develop in ‘germ-free’ mice might help explain why autism is more prevalent in boys than girls.