Understanding Autism in Girls

Often misdiagnosed, girls need early assessments and support.

By Susan M. Tatem, LPTA, CGIP

For every girl diagnosed with autism, there are still three to four boys receiving the same diagnosis. This gender gap isn’t just statistical—it’s deeply personal, and it comes at a cost.

Girls with autism tend to mask their differences through natural and learned techniques. Because young girls tend to be more nurturing and accepting of their peers, you see less of the disruptive behaviors more commonly associated with boys, which makes it easier for them to be overlooked.

Many girls aren’t diagnosed until adolescence or even adulthood, if at all. A late or missed diagnosis means missed support, misunderstood behaviors, and years of unnecessary struggle.

How does autism present in girls, why is this so often overlooked, and how can increased awareness open the door to earlier intervention and more compassionate support?

Why girls are underdiagnosed

For decades, autism research has focused primarily on boys. The original studies that shaped our understanding of autism, including the diagnostic criteria we use today, were based on how autism presents in males. This historical bias has created blind spots, especially in recognizing autism in girls.