In October of 2024, the US Centers for Disease Control and Prevention (CDC) reported that while nearly half of men with attention-deficit/hyperactivity disorder (ADHD) receive a diagnosis before the age of 12, just over 60% of women are not diagnosed until adulthood. As clinical understanding of ADHD continues to evolve, why does this gender disparity persist, and how can clinicians best support female patients in receiving an accurate diagnosis and appropriate treatment?