Why So Many Women Are Diagnosed Later
In recent years, there has been growing awareness that ADHD and autism are frequently overlooked in girls and women. Many individuals who receive diagnoses later in life describe spending years wondering why everyday tasks felt harder for them than they seemed to be for others. Some recall feeling constantly overwhelmed, while others remember pushing themselves to meet expectations through sheer effort and exhaustion.
Part of the reason for this pattern lies in the history of research. For many decades, most studies of ADHD and autism were conducted primarily with boys. As a result, the traits that clinicians learned to recognize were largely based on male presentations of these conditions. ADHD was often associated with visible hyperactivity and disruptive behavior, while autism was frequently described in terms of social withdrawal and restricted interests that were easy to notice in classroom settings.
Girls, however, often present differently.
Many girls with ADHD are not outwardly disruptive. Instead of appearing hyperactive, they may be quiet, daydreamy, or internally restless. Teachers may notice that they seem disorganized, forgetful, or easily overwhelmed, but these difficulties may be interpreted as personality traits rather than indicators of ADHD. Because these challenges do not necessarily disrupt the classroom environment, they are less likely to prompt a referral for evaluation.
A similar pattern can occur with autism. Autistic girls are often more socially motivated than the stereotypes commonly associated with autism. They may want friendships deeply and may spend significant energy trying to understand and imitate the social behaviors of their peers. Many become highly skilled observers, learning to mimic facial expressions, conversation patterns, and social scripts.
This process is often referred to as masking or camouflaging. Masking involves consciously or unconsciously suppressing behaviors that might stand out while adopting behaviors that appear more socially typical. For example, someone might rehearse conversations before social interactions, closely study how peers behave in group settings, or force themselves to tolerate sensory environments that feel overwhelming.
While masking can help individuals navigate social environments, it often comes at a cost. Many women who are later diagnosed with ADHD or autism describe chronic exhaustion from the constant effort required to keep up with expectations. They may feel as though they are always performing or trying to stay one step ahead of potential mistakes. Over time, this effort can contribute to burnout, anxiety, or a persistent sense of being misunderstood.
Social expectations can also play a role in delaying recognition. Girls are often expected to be organized, emotionally aware, and socially intuitive. When they struggle in these areas, the response may be increased pressure to try harder rather than curiosity about why these challenges exist. Some girls become highly conscientious and perfectionistic as they attempt to compensate for underlying difficulties, while others internalize feelings of failure or self-doubt.
Because of these factors, many women are not diagnosed until adulthood. Sometimes the process begins when a child is evaluated for ADHD or autism and a parent begins to recognize similar patterns in their own life. In other cases, adults seek answers after years of struggling with executive functioning, workplace demands, or chronic burnout that does not seem fully explained by anxiety or depression alone.
For many women, receiving an accurate diagnosis later in life can be a deeply validating experience. Patterns that once felt confusing or self-critical often begin to make sense when viewed through the lens of neurodevelopmental differences. Understanding these differences can open the door to more effective strategies, supportive environments, and a greater sense of self-compassion.
To learn more about this topic, I recommend the following resources:
https://www.autism.org.uk/advice-and-guidance/identity/autistic-women-and-girls
https://www.bmj.com/content/392/bmj-2025-084164
https://www.jaacap.org/article/S0890-8567(14)00725-4/fulltext