There’s a claim circulating widely right now: that a 2026 study proved the official diagnostic criteria capture only about a third of what people with ADHD actually experience — and that this is why so many women reach their thirties, forties or fifties before anyone says the word ADHD out loud.
The study is real. The number is backwards. And the reason women get missed is documented far better than by the study being cited for it.
That last part is what I want you to have, because you’ve been handed a weaker version of your own story.
The paper being referenced — Chua and colleagues, Irish Journal of Psychological Medicine, February 2026 — found nine categories of adult ADHD experience. Its actual conclusion is that six of those nine appear in existing diagnostic criteria to some degree. Three don’t: emotional lability, sleep, and time perception. It also examined eleven people and conducted no analysis of sex differences whatsoever.
Meanwhile, there is a whole body of research that did study why women are missed. It’s larger, it’s quantitative, and it’s damning. Women are diagnosed with ADHD roughly five years later than men despite symptoms appearing at the same age. Girls are referred to services for emotional problems rather than ADHD symptoms. Women are prescribed antidepressants before an ADHD diagnosis at higher rates — and a national study of Welsh health records found that among those prescribed antidepressants beforehand, women were less likely to keep taking them once ADHD was identified.
Read that last finding again. The medication many women spent years on was, for a meaningful number of them, treating the wrong thing.
That’s the evidence. It doesn’t need borrowing.
The short version
What’s solid: Adult ADHD involves symptom domains the DSM-5 doesn’t list. Difficulty starting tasks isn’t the same as inattention. Emotional intensity, disrupted sleep and distorted time perception are real features of adult ADHD that current criteria miss. And women face a documented, measurable delay in diagnosis that isn’t explained by having milder symptoms.
What’s being overstated:
- The “one third” figure inverts the study’s actual finding.
- That study involved eleven people in Melbourne and no sex-difference analysis. The gender argument comes from elsewhere — fortunately, from better research.
- The delayed circadian rhythm finding attributed to it isn’t in it. It’s from a separate literature where it’s actually much stronger.
What almost nobody asks: if emotional intensity, poor sleep, time distortion and difficulty starting tasks all get added to the criteria — how does anyone distinguish ADHD from depression, anxiety, trauma, burnout or perimenopause? Every one produces the same four symptoms. For women specifically, this is not an academic question. It’s the exact mechanism by which you were handed an antidepressant at 26.
Why women get missed: the research that actually looked
The delay is measurable
Work presented at the European College of Neuropsychopharmacology congress in 2025 found women receive an ADHD diagnosis approximately five years later than men, despite symptoms emerging at the same age. A retrospective study across four US health databases found mean age at diagnosis ranging from 16.3 to 28.6 years for females, against 11.2 to 22.7 for males.
Five years is not a rounding error. It’s five years of accommodations you didn’t get, treatment you didn’t have access to, and conclusions you drew about yourself in the meantime.
The referral pathway is different
Klefsjö and colleagues, in a Swedish case-control study, found that girls were referred for emotional symptoms rather than ADHD symptoms. They had more psychiatric visits before diagnosis. They were prescribed non-ADHD medications at higher rates, both before and after diagnosis. They were older at referral and older at diagnosis.
The authors’ interpretation is worth sitting with: girls may need to reach a substantially higher burden of emotional distress before anyone refers them at all. Boys get referred for behaviour. Girls get referred once they’re suffering enough that the suffering itself becomes visible.
Martin and colleagues found the same pattern in a national analysis of Welsh healthcare records — anxiety diagnoses preceding ADHD in females, higher antidepressant prescribing at younger ages, and what they termed diagnostic overshadowing: the co-occurring condition absorbing all the clinical attention while ADHD sat underneath, unexamined.
The part that complicates the standard story
Here’s where I’d ask you to hold the familiar narrative a little more loosely, because it matters for whether you get recognised.
The version you’ve probably heard says girls internalise while boys externalise — girls are the quiet daydreamers, so they get overlooked. There’s truth in it. But a systematic review and meta-analysis in Psychological Medicine comparing core ADHD symptom severity between females and males found something more pointed: not large differences in presentation, but evidence of systemic bias in referral and assessment.
In other words, the difference may live less in girls’ brains than in what the adults around them were trained to notice. Teacher vignette studies back this up — identical case descriptions get referred for support more often when the name attached is a boy’s. Historically, clinic-referred samples showed male-to-female ratios around 10:1, while community samples ran closer to 2:1 or 3:1. That gap between who has it and who gets seen is the bias, sitting in plain numbers.
Why this matters to you personally: if “women present quietly and inattentively” hardens into its own stereotype, the loud, restless, impulsive woman gets missed by the new framework exactly as the daydreaming girl was missed by the old one. If you’re the one who talks over people, makes fast decisions, can’t sit through a movie, and drives too fast — and you’ve concluded you can’t have ADHD because you don’t match the gentle inattentive picture — that conclusion may be the stereotype working on you a second time.
Some women fit the quiet profile. Some don’t. Both get missed, for related reasons.
The nine categories
What follows is the full picture, written with the adult female presentation in mind.
| Category | In DSM-5? | In ASRS? | In CAARS? | In CAARS-2? |
|---|---|---|---|---|
| Attention | Yes (core) | Yes | Yes | Yes |
| Hyperactivity | Yes (core) | Yes | Yes | Yes |
| Impulsivity | Yes (core) | Yes | Yes | Yes |
| Disorganisation | Briefly | Partially | Partially | Partially |
| Forgetfulness | Briefly | Partially | Partially | Partially |
| Activation | Briefly | Partially | Partially | Partially |
| Emotional lability | No* | No | Some items | Yes (subscale) |
| Sleep | No | No | No | One item |
| Time perception | No | No | One item | No (removed) |
*Low frustration tolerance, irritability and mood lability appear in DSM-5 as associated features supporting diagnosis — not criteria, but not absent either. A narrower gap than usually described.
Note the bottom-right corner. The CAARS-2, published 2023, added an emotional dysregulation subscale and removed the single time perception item the original had. The tools are moving in both directions at once.
1. Attention — in both directions
Every participant in the study endorsed difficulty sustaining attention. But they also described attention lapsing without noticing it had lapsed, which makes it far harder to catch and redirect.
And they described hyperfocus: total absorption to the point of losing awareness of everything else, including hunger and time. They couldn’t reliably start it or stop it.
For a lot of women, hyperfocus is where competence and identity got built. You’re exceptional at the things that switch your brain on, and struggle with everything that doesn’t. That inconsistency is precisely what gets used against you — but you finished the degree, but you have a career — as though capability in one domain disproves difficulty in another.
The paper also surfaces hyperfixation, which has almost no research behind it: longer duration, days or weeks, attached to interests rather than tasks, without the time slippage or physical neglect. Genuinely new territory, and honestly labelled as such by the authors.
2. Hyperactivity — usually internal by adulthood
In adult women this frequently stops being visible altogether. Some participants described classic physical restlessness. Others described something the scales largely miss: mental hyperactivity. Racing, simultaneous thoughts that are hard to separate, making concentration harder and distraction easier. Several linked it directly to lying awake at night.
If you’ve ruled out ADHD because you can sit still in a meeting, note that internal restlessness is hyperactivity. The scales just weren’t built to ask.
3. Impulsivity — including the kind you regret socially
Beyond interrupting: risk-taking, impulsive spending producing real financial chaos, and a form of conversational impulsivity the scales don’t capture at all — oversharing private things in settings where it wasn’t appropriate, then feeling it afterward for days.
That last one tends to interact badly with rejection sensitivity, which we’ll get to.
4. Disorganisation — the sequencing problem
This isn’t a messy desk.
The difficulty is sequencing: working out what happens first, second, third, and holding that order while executing. Running a household, following a plan through, coordinating anything with dependent steps — the ordering is the hard part, not the individual steps.
Participants described it hitting finances, routines, work and study. For several it came bundled with overwhelm, and that pairing matters, because overwhelm is what gets reported to a clinician while the sequencing difficulty underneath goes unnamed.
Externally it reads as “chaotic” or “not trying hard enough.” Neither is what’s happening.
5. Forgetfulness — an encoding problem, not a retrieval one
Beyond forgetting chores: losing track of appointments, struggling to recall recent events, forgetting names or the thread of a conversation happening right now.
The useful distinction isn’t “encoding, not memory” — encoding is memory, it’s the first stage. It’s between encoding and retrieval. The information often isn’t fading from storage; it was never adequately laid down.
Set your keys down while your attention is elsewhere and the location may never register. Nothing to retrieve, because nothing was stored. That’s why it feels different from ordinary forgetting — not straining after something faintly there, but finding blankness.
Worth saying this hasn’t been directly tested here. The study included no memory testing; the mechanism is inference.
6. Activation — the difference between avoidance and inertia
This is the category that produces the most shame.
The DSM frames non-productivity as avoidance of unpleasant or effortful tasks. Participants described something else: being unable to start things they wanted to do, cared about, found interesting. Not reluctance. A frozen state.
The researchers broke this out as its own category after finding it wasn’t explained by attention alone — it was shaped by hyperactivity, impulsivity, disorganisation and time perception together.
What broke the freeze: external pressure, genuine deadline urgency, and having another person present — body-doubling. Notably, with external pressure present, participants could start and finish tasks they disliked. So it isn’t that unpleasant tasks are impossible. It’s that internally generated starting is unreliable.
You’ll often see this as a tidy four-item list — interest, urgency, challenge, external structure. That framework comes from clinical observation rather than from this or any validated research, and hasn’t been tested as a four-factor structure. Useful as a heuristic for setting up your environment. Not a finding.
Day to day: a to-do list that gets more paralysing the longer it grows. Starting something, derailing thirty seconds in, never returning. Knowing exactly what needs doing and being unable to begin.
That is not laziness, and it is not a moral fact about you.
7. Time perception
Time slips whenever attention isn’t actively on it. Two distortions:
- Overestimation of boring tasks. Twenty minutes registers as hours, which feeds avoidance — you’re not avoiding twenty minutes, you’re avoiding what feels like an afternoon.
- Underestimation of engaging tasks. Three hours registers as fifteen minutes.
You’ll often read that time blindness is the root of hyperfocus. The research doesn’t establish that direction — they co-occur, but which drives which is unresolved. Hold it loosely.
One finding here has direct consequences for getting assessed. Some participants coped with time distortion by arriving extremely early to everything. Result: they present as excellent at time management. The difficulty becomes invisible because the coping works. The authors note this may cause adults with significant time perception problems to be missed entirely.
If you have ever built your entire week around not being late, this is you.
8. Emotional lability
Emotions arriving fast and large. Rapid fluctuation, intensity across anger and sadness and happiness, crying easily — and something worth noting, because it surprises people: feeling drained by strong positive emotions. It isn’t that negative emotion is the problem. Intensity itself is.
Several participants described this taking the form of heightened sensitivity to rejection.
This is where a term you’ve certainly encountered needs care. Rejection sensitive dysphoria (RSD) is not an established research construct. It isn’t in the DSM-5 or ICD-11. No validated measure, no standardised criteria, no diagnostic code. It originates from one practitioner’s clinical observations, largely published outside peer review, later supported by a case series of four patients. Recent reviews find roughly five studies addressing it directly — all qualitative, samples of four to 43.
Emotion dysregulation more broadly is on much firmer ground: 30% to 70% of adults with ADHD show meaningful difficulty regulating emotion, across many studies and methods.
Why this distinction matters to you rather than to researchers: “you have RSD” sounds like a diagnosis and functions like one emotionally. It isn’t. And the claim attached to it in its original framing — that it resists psychological treatment and responds mainly to particular medications — could steer you away from therapy that would help. Rejection sensitivity, the older and far better-studied construct, responds to treatment.
Take the experience seriously. Hold the label loosely.
This is also, for many women, where the people-pleasing lives. If disconnection feels physically painful, over-explaining, over-apologising and over-functioning are rational strategies for preventing it. That’s not a personality trait you’re stuck with. It’s a strategy, and strategies can be revised. There are established approaches for working with emotional intensity in therapy — skills-based work that treats the intensity as something to build capacity around rather than something to apologise for.
9. Sleep
Participants described struggling to fall asleep while exhausted — racing thoughts, physical restlessness, hyperfocus running past bedtime. Some struggled to wake. Several reported no sleep difficulty at all.
That last detail matters, because sleep gets presented as near-universal in ADHD. In this sample it wasn’t. The authors flag it as a limitation: their sleep discussion centred narrowly on sleep onset.
The delayed circadian rhythm finding attributed to this study isn’t in it — and the real source is stronger. Bijlenga, Vollebregt, Kooij and Arns reported delayed sleep phase in roughly 73–78% of children and adults with ADHD. Van Veen and colleagues found around 78% using objective measures. Narrowing to diagnosed delayed sleep phase disorder by self-report, figures drop to roughly 26–36%. General population prevalence sits between 0.1% and 3.1%.
Practically: your natural sleep timing may genuinely run later than the schedule the world keeps. Night may be when you feel most alert and most yourself. The morning fatigue that follows is downstream of timing, not effort. If this is the category that landed hardest, it’s worth reading more on how ADHD affects sleep timing and night-time alertness — the treatment approaches for delayed sleep timing are different from ordinary insomnia advice, and the difference matters.
The perimenopause question
If you’re in your late thirties or forties and things that used to work have stopped working, this section may be the most relevant thing here.
Emerging evidence suggests fluctuating estrogen affects the dopaminergic systems ADHD already involves, and that the perimenopausal transition can worsen inattention, emotional dysregulation and executive function. A study drawing on the Icelandic SAGA cohort — 5,392 women aged 35 to 55 — found roughly 54% of women with a self-reported ADHD diagnosis experienced debilitating perimenopausal symptoms, against about a third of women without ADHD. The differences were most pronounced at ages 35 to 39, which the researchers suggested may indicate perimenopause beginning earlier in women with ADHD.
There’s a mechanism that makes clinical sense here, and it isn’t that ADHD arrives at 42. It’s that the compensatory strategies you built over three decades — the lists, the rigid systems, the arriving-early, the over-preparation — require executive capacity to run. When hormonal fluctuation reduces that capacity, the scaffolding comes down and what was underneath becomes visible for the first time.
This is also where ADHD and burnout become genuinely hard to tell apart, because the exhaustion that builds after years of compensating looks a great deal like the exhaustion of a demanding job. The distinguishing question is usually whether rest restores you. Occupational burnout tends to lift with genuine recovery time. The depletion of running a lifelong compensation system does not, because the system starts up again the moment you do.
Which is why so many women are diagnosed in exactly this window. Not because it started then. Because the masking stopped being affordable.
Two cautions, both important. First, perimenopause produces brain fog, sleep disruption, mood change and cognitive complaints on its own, in women with no ADHD at all. The overlap is substantial and genuinely difficult to untangle — which is why a lifespan history matters so much. ADHD symptoms must be traceable back before age 12. Perimenopausal cognitive change is not.
Second, this evidence base is young. A 2026 narrative review on medication management for ADHD across the menopausal transition concluded there are no randomised controlled trials specific to this population. Anyone speaking with total certainty about hormones and ADHD is ahead of the data.
Both things can be true: this is real, and we don’t know as much as the confident content suggests.
The methodological problem worth understanding
If you take one thing about how to read ADHD research, take this.
The researchers went in with a stated hypothesis: that participants would report emotional lability, sleep difficulties and time perception problems. Their interview schedule explicitly asked about attention, hyperactivity, impulsivity, executive function, emotional lability, sleep and time perception.
They asked about seven domains. They found nine themes.
So when it’s reported as “researchers discovered sleep and time perception are core ADHD symptoms” — that’s not what happened. They asked eleven people about sleep and time perception, and those people said yes.
This doesn’t make the study bad. It’s a reasonable design for what it’s doing, which is generating material to build a better screening scale, and the authors are transparent about all of it. But it means this study is not independent confirmation that these belong in diagnostic criteria. The support comes from elsewhere, from larger quantitative work.
One further wrinkle the authors raise themselves: five of the eleven had been diagnosed within the past year and were still working out how ADHD affected them. When someone was diagnosed eight months ago and has spent those months reading about ADHD online, their account is shaped by the frameworks they’ve absorbed.
Comorbidity is not the same as misdiagnosis
There’s a framing going around that I want to push back on directly, because it’s aimed at women and it isn’t safe.
It’s structured as a swap: your emotional intensity is really ADHD rather than bipolar or borderline personality disorder. Your night-time alertness is really circadian delay rather than anxiety. Your morning fatigue is really a shifted sleep cycle rather than depression.
The underlying grievance is legitimate. Women have been told they’re too emotional when something else was happening, and the research on antidepressants prescribed before ADHD recognition shows the pattern is real.
But the swap framing is wrong in a way that carries risk. These conditions co-occur with ADHD far more often than they’re mistaken for it. A woman with bipolar disorder and ADHD has both. A woman with ADHD and major depression has both. Presenting one as the truth and the other as an error invites you to disregard a diagnosis that may be accurate and actively treated — and with bipolar disorder in particular, that carries real consequences, including for how stimulant medication is managed.
The honest version is less satisfying: these presentations overlap heavily, distinguishing them is difficult, it requires proper assessment, and the answer is frequently “both” rather than “actually it was ADHD the whole time.”
If you have a diagnosis and suspect ADHD is also present, the move is to raise it with your prescriber or assessor — not to conclude the earlier diagnosis was wrong.
The specificity problem
Emotional intensity, disrupted sleep, distorted time perception and difficulty starting tasks are also produced by major depression, generalised anxiety, PTSD, burnout, obstructive sleep apnea, perimenopause, hypothyroidism, iron deficiency, chronic pain and night shift work.
Every one.
The ASRS already has good sensitivity and poor specificity — it catches most people who have ADHD and flags plenty who don’t. Adding broader, more emotionally resonant symptoms increases sensitivity further and will almost certainly make specificity worse.
The paper’s authors are careful here. They note that existing accuracy figures compare people with ADHD to people without ADHD — not to people with anxiety, depression or personality disorders. They explicitly call for research determining which symptoms are distinct and which are shared.
What this means practically: if you read the nine categories and recognised yourself throughout, that recognition is real and worth acting on. It’s also not, by itself, evidence of ADHD. It’s evidence that something is going on. Working out what requires ruling things out — which is slower and less satisfying, and is the actual substance of assessment.
The Saskatchewan layer
Shift work makes circadian assessment nearly impossible. If you’re running nights in an emergency department in Prince Albert, working two-week rotations at a northern mine site, or on oilfield rotation, your sleep timing is externally imposed. You’ll look phase-delayed on any questionnaire, and that tells a clinician nothing about your underlying tendency. A good assessor asks what sleep looked like during a stretch of time off — and if you’ve been on rotation for years, that baseline may genuinely no longer exist.
Northern photoperiod is a real confound. In La Ronge and further north, the seasonal light swing is dramatic. Winter darkness shifts sleep timing, flattens motivation and degrades task initiation in people with no ADHD whatsoever. Assessed in January with January as your reference point, you’re working from a distorted sample. Describe your functioning across a full year.
Wait times shape what fills the gap. Between suspecting ADHD and being formally assessed in Saskatchewan, the wait can be long, especially outside Saskatoon and Regina. That gap is where content like this does its work, filling a real vacuum with something that feels like an answer. Not inherently bad — it becomes a problem when what fills it is inaccurate and you arrive at assessment already invested in defending an explanation.
How assessment works at STG Health. A formal ADHD diagnosis in Saskatchewan comes from a physician, nurse practitioner, psychiatrist or registered psychologist. As a Canadian Certified Counsellor, I don’t diagnose.
At STG Health, we combine nurse practitioner services with psychometric testing to deliver a thorough clinical assessment — one that goes beyond a diagnosis and a short list of general recommendations. The output includes a full intervention plan mapping your strengths alongside the areas where support would make the most difference. The point isn’t to hand you a label. It’s to hand you something you can act on.
Counselling then does the work that follows: building the structured developmental history and functional impairment documentation that makes assessment far more productive, and the therapeutic work afterward — which is usually where the difficult part lives. If you’re outside the larger centres, counselling and assessment for adults across northern Saskatchewan is available by telehealth, which removes the drive from the equation.
What a thorough assessment involves
Aligned with the Canadian ADHD Practice Guidelines (CADDRA 4.1).
| Element | Why it matters | Common failure |
|---|---|---|
| Clinical interview | The primary diagnostic method. Questionnaires screen; they don’t diagnose. | A rating scale and a fifteen-minute appointment. |
| Developmental history | ADHD requires symptoms present before age 12. | Adult-only review with no childhood anchoring. |
| Collateral information | CADDRA recommends input from someone who knew you as a child, or a partner who sees you daily. | Skipped because it’s logistically awkward. The most commonly omitted element. |
| Medical rule-outs | Thyroid, iron, sleep apnea and others mimic ADHD. | Never ordered. |
| Psychometrics | Objective data beyond self-report; maps cognitive strengths. | Used alone, as though testing equals diagnosis. |
| Functional impairment | Symptoms alone aren’t enough — impairment must show across settings. | “I relate to the list” treated as sufficient. |
| Differential consideration | Anxiety, depression, trauma and sleep disorders overlap heavily. | Everything attributed to ADHD, or nothing. |
Talk about the cost, not the outcome
If you’ve spent decades compensating, you may unconsciously give the answers you sense are wanted. There’s a version of this in the research itself — the participants who arrived forty minutes early to everything and therefore looked excellent at time management.
So describe the cost, not the result.
“I’m never late” is what a clinician sees. “I’m never late because I arrive forty minutes early and sit in my car, and I’ve organised my entire week around not being late” is the actual clinical picture.
Same with everything else. Not “I keep the house running” but what keeping it running costs you. Not “my performance reviews are good” but what you do on Sunday nights to make Monday possible.
Composite example, drawn from common patterns rather than any individual client: a woman in her late thirties working in health care in northern Saskatchewan. Strong performance reviews, never missed a shift. Also hasn’t opened her mail in three months, maintains a colour-coded system costing two hours a week, and sat in her car after a medical appointment she’d rescheduled twice and then forgot anyway. On paper she’s functioning well. The functioning is the symptom — or more precisely, the effort required to produce it is.
Separating the neurology from the meaning you made of it
This is the core of the work that follows a diagnosis, and it holds regardless of how the research settles.
The forgetting, the frozen state before something you actually want to do, the emotional intensity — those are the condition. The conclusion that these things meant you were lazy, unreliable, stupid or not trying hard enough — that was learned, usually early, usually from people who had no framework for what they were seeing. When a girl’s brain works differently and nobody around her can explain why, she generally concludes the problem is her. She’s often been told as much.
Those two things are separable. Separating them is most of the therapeutic work, and it’s difficult, and it’s worth doing.
A few things to carry:
Grief is a normal response to a late diagnosis. Anger about years spent believing you were the problem isn’t a sign you’re handling it badly. It’s proportionate to new information about your own history — and if you’re grieving on behalf of a younger version of yourself who thought she wasn’t smart, that grief is accurate.
People-pleasing is a strategy, not a personality trait. If it’s who you are, you’re stuck with it. If it’s something you learned to do for reasons that made sense at the time, it can be unlearned — with more precision and less shame.
A diagnosis is a map, not a label. The shift from “why can’t I use a to-do list like everyone else” to “what would actually work for how my brain initiates tasks” is the shift out of self-blame.
Inconsistency is the pattern, not the exception. You can be a high-achieving professional and still struggle to open your mail. Both are true. Same brain.
Sourcing and limitations
Primary source: Chua IJJ, Salmon C, Vinnicombe J, Bowen J, McNicholas F, Adamis D, Jayasooriya T, Das S, Johnson K. “ADHD symptom manifestation in adulthood: moving beyond conceptualisations of inattention and hyperactivity/impulsivity.” Irish Journal of Psychological Medicine, published online 5 February 2026. DOI: 10.1017/ipm.2026.10175. Open access, CC-BY.
On women and diagnosis: Klefsjö U, Kantzer AK, Gillberg C, Billstedt E (2021), “The road to diagnosis and treatment in girls and boys with ADHD,” Nordic Journal of Psychiatry 75(4):301–305. Martin J et al. (2024), sex differences in ADHD diagnosis and clinical care, national Welsh healthcare records, Journal of Child Psychology and Psychiatry. Attoe DE, Climie EA (2023), “Miss. Diagnosis: A Systematic Review of ADHD in Adult Women,” Journal of Attention Disorders. Amoretti S et al., presented at the ECNP Congress, October 2025 (conference presentation — not yet a peer-reviewed publication at time of writing). Systematic review and meta-analysis of sex differences in core ADHD symptom severity, Psychological Medicine.
On sleep and hormones: Bijlenga D, Vollebregt MA, Kooij JJS, Arns M (2019), ADHD Attention Deficit and Hyperactivity Disorders 11(1):5–19. Van Veen et al. (2010). Díaz-Román, Mitchell and Cortese (2018) meta-analysis. Icelandic SAGA cohort analysis of perimenopausal symptom burden in women with and without ADHD. Narrative review on pharmacological management of ADHD across the menopausal transition, Drugs & Aging (2026).
Assessment standards: Canadian ADHD Practice Guidelines, 4.1 Edition (CADDRA, 2021).
How this was researched: I retrieved and read the full Chua et al. paper rather than working from the abstract or secondary coverage, and checked each widely circulating quantitative claim against either the paper itself or the primary literature it should have cited. Where a claim is accurate but misattributed, I’ve said so rather than treating it as wrong.
What this doesn’t cover: ADHD medication, which sits with your prescriber. Childhood ADHD. The co-occurring ADHD and autism presentation — a real omission, driven by the source study having excluded those participants. Given how common that co-occurrence is among late-diagnosed women, applicability to that group is genuinely uncertain, and it deserves its own article.
Where I could be wrong: The nine-category structure may hold up well in larger samples. My argument isn’t that the findings are false — it’s that eleven prompted interviews can’t establish them, and the confidence in the popular version far exceeds the confidence in the paper. The hormonal research is moving quickly and my reading of it may date. Anything written about this in 2026 should be read with a date stamp.
Where this leaves you
If something in these nine categories landed, the landing was probably real. Difficulty starting things you genuinely care about, time that disappears, emotions arriving at full volume, a brain that won’t power down at night — these are recognised features of adult ADHD, whatever the DSM currently lists.
What I’d resist is the compression. “The criteria only capture a third of your experience” is a satisfying sentence that isn’t true, and you don’t need it. The documented five-year diagnostic delay, the referral pathway that routes girls toward emotional labels, the antidepressants prescribed before anyone asked about attention — that evidence is stronger, it’s specific to women, and nobody has to inflate it.
The gap in diagnosis was never about how clearly you were paying attention. It was about what the people around you were trained to see.
If you’re in Saskatchewan and wondering about next steps: start by writing down what your functioning has actually cost you, across a full year, in specific detail. Not the symptoms. The cost. That document will do more for your assessment than any checklist, and you can start it tonight regardless of where you sit on a waitlist.
If you’re struggling with your mental health, support is available. The 988 Suicide Crisis Helpline can be reached by call or text at 988, 24 hours a day. HealthLine 811 provides health advice across Saskatchewan.
