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The journey to understanding Attention Deficit Hyperactivity Disorder (ADHD) is fraught with challenges, particularly for women who often remain undiagnosed until adulthood. Kat Frize, a 39-year-old mother from the Midlands, recently shared her personal experience of receiving a diagnosis at the age of 37 after years of navigating life with unrecognised symptoms. Her story sheds light on the broader issue of underdiagnosis in women and girls, as experts call for urgent reform in how ADHD is recognised and treated.
A Life Transformed by Diagnosis
Frize’s struggles were multifaceted, encompassing chronic fatigue, difficulties in communication and relationships, and frequent hospital visits due to accidents. It was only after the birth of her daughter, who has also been diagnosed with ADHD and autism, that Frize began to explore her own symptoms. Facing long NHS waiting lists, she opted for private assessment, a choice not available to many. Just two years later, she experienced a profound change upon starting medication, describing the moment as a revelation: “My brain suddenly became quiet and clear for the first time in my life.”
As International Women’s Day approaches, Frize is raising awareness of the plight of women and girls grappling with undiagnosed ADHD. She challenges the narrative posited by figures such as Health Secretary Wes Streeting, who claimed that mental health conditions are being overdiagnosed. “It’s not that we overdiagnose; it’s that we’ve been underdiagnosing for so many decades,” she asserted.
The Gender Gap in ADHD Diagnosis
Research indicates that ADHD is diagnosed in boys at a ratio of approximately 3:1 compared to girls in childhood. However, this disparity diminishes to 1:1 in adulthood, suggesting that many women and girls are overlooked during formative years. A recent study presented at the European College of Neuropsychopharmacology highlighted that women are diagnosed roughly five years later than men, despite exhibiting symptoms at the same age.

Dr Chris Abbott, Chief Medical Officer at Care ADHD, explains that girls often do not conform to traditional stereotypes associated with ADHD. They may not exhibit overt hyperactivity or impulsivity, leading to a lack of recognition by parents and educators. Instead, their struggles manifest in subtle ways, such as difficulties with organisation and focus, which can be mistaken for daydreaming or forgetfulness.
Masking: A Coping Mechanism with Consequences
Many women develop sophisticated coping strategies, often referred to as “masking,” to navigate societal expectations. This behaviour can include over-preparing for tasks, mimicking the organisation of peers, or suppressing their natural impulses to fit in. While this might appear as success externally, the psychological toll is significant, resulting in chronic stress, anxiety, and depression.
Frize reflected on her own missed opportunities for diagnosis, noting how her symptoms could have been identified earlier had there been greater awareness. “I often question if things would have been different had I received support,” she remarked, highlighting the potential for early intervention to change lives.
Systemic Changes Underway
Current estimates suggest over half a million individuals are waiting for an ADHD assessment within the NHS. Frize, now serving as Chief Operating Officer at Care ADHD, advocates for increased awareness and accessibility to services. Her personal transformation, she notes, has allowed her to be a better mother and advocate for her children.

In response to the growing concerns about ADHD care, an NHS spokesperson acknowledged the need for improvement and indicated that steps are being taken to implement recommendations from an independent ADHD taskforce. These include redesigning local services to decrease waiting times and enhance support for women and girls.
Why it Matters
The underdiagnosis of ADHD in women and girls is not just a matter of individual struggles; it reflects systemic issues within our healthcare and educational frameworks. As more voices, like Kat Frize’s, emerge to highlight these disparities, the call for comprehensive reform grows louder. Ensuring that women receive timely and accurate diagnoses can lead to better mental health outcomes and empower them to thrive in various aspects of life. The implications are profound, as addressing these gaps could fundamentally change the narrative surrounding ADHD and mental health for future generations.