There is no blood test for perimenopause. There is a short list of tests that rule out the conditions producing almost identical symptoms — and one popular test that is usually a waste of your money. Knowing the difference is the single most useful thing you can do before your first appointment.

Where we stand: Menova is an independent publication. We sell no tests, no supplements and no reports, we are not your doctor, and this is general education, not medical advice. Which tests are appropriate for you is a decision for a licensed clinician who knows your history.

The short answer

Ask about: full blood count, ferritin, thyroid function, vitamin B12, HbA1c, vitamin D — plus a blood pressure reading, which is not a blood test but belongs in the same visit.

Usually skip: hormone panels, if you are over 45.

Everything below is why.

Our free printable blood test sheet is this list with space to record what comes back. No email, and nothing you type leaves your browser.

Why not a hormone panel

This is where most money gets wasted, and private testing services sell it hard.

For women over 45, major guidance generally advises against using FSH or estradiol to diagnose the transition. The reason is simple: levels swing enormously from week to week during perimenopause. A sample can look post-menopausal one fortnight and unremarkable the next, and neither result tells you anything you could act on.

The diagnosis is made from symptoms and cycle pattern. That is not a lesser method — it is the recommended one. See was that my last period.

Under 40 is genuinely different. Premature ovarian insufficiency is a specific diagnosis with specific management, and testing matters. Between 40 and 45, testing is sometimes used and is still unreliable on a single sample — see perimenopause in your early forties.

Once you are on hormone therapy, routine level monitoring is generally not required either, which is worth knowing because some clinics charge for it — see do you need blood tests on HRT.

What the six tests are actually for

Not for menopause. For the treatable conditions that imitate it — see symptoms most often misread as menopause.

Full blood count. Anaemia. Ask specifically for the MCV, the average red cell size — that one number splits the causes and stops you being given iron for years for something that is not iron deficiency. See when iron is not the answer.

Ferritin. Iron stores, which fall before haemoglobin does. Exhaustion, hair shedding, restless legs, breathlessness on stairs, feeling cold, brain fog — all of it, and very common when periods have become heavier. See low ferritin in perimenopause.

Thyroid function. Thyroid disease peaks in this exact age group and produces the entire perimenopause symptom list. See perimenopause versus thyroid.

Vitamin B12. Fatigue, brain fog, low mood, tingling. More likely if you eat little meat, take long-term acid-reducing medication, or have had gastric surgery. See B12 deficiency in midlife.

HbA1c. Average blood sugar over about three months. Insulin resistance changes quietly in this decade and produces fatigue and weight change that get attributed to hormones. See insulin resistance in menopause.

Vitamin D. Aches, low mood, and it matters for bone at the point bone loss is accelerating. See vitamin D and calcium.

Blood pressure. Rises quietly around the transition, has no symptoms, and changes which hormone therapy routes are discussed. See blood pressure and menopause.

Worth adding if it applies

  • Lipids, alongside HbA1c and blood pressure — cholesterol shifts around the transition; see cholesterol after menopause
  • Coeliac screening, if iron is low and not refilling. Get tested before cutting gluten out, because removing it first makes the test unreliable — see coeliac disease and menopause
  • Folate, alongside B12
  • Kidney and liver function, if you are starting or reviewing medication

Get the numbers, not the summary

"Your bloods were fine" is not a result.

Normal means inside the laboratory's reference range, and those ranges are wide. A result can sit at the very bottom and still be worth discussing. Ferritin is the clearest example — routinely reported as normal at levels many clinicians would treat.

Ask for the number, the units and the reference range for each test, and write them down. That is the only way to compare this year against next, and nobody else is going to do it for you — see reading your own blood test results and keeping your own health record.

If something is low, ask why

A low result is a finding, not a diagnosis, and the supplement is not the end of the conversation.

Low ferritin with heavy periods means the bleeding is the thing to treat — see heavy periods in perimenopause. Low ferritin without an obvious cause, and particularly after menopause when periods no longer explain it, needs investigating rather than supplementing. Low B12 raises absorption questions. Raised HbA1c is a prompt, not a verdict.

And do not buy supplements before the tests. You cannot correct what you have not measured, and most of what gets bought speculatively has weak evidence behind it — see what the supplement research says.

Private testing panels

If your health system will not run these, paying for them is reasonable. Two cautions.

Check what you are buying. Many direct-to-consumer "menopause panels" are built around the hormone tests that guidance advises against, and skip the ones on this page. Read the actual test list before paying.

A result without a clinician is half a service. The value is in what gets done about it. See the cost of care.

What to say

"I know hormone tests aren't recommended for diagnosing this over 45, so I'm not asking for those. Could we check full blood count with MCV, ferritin, thyroid, B12, HbA1c and vitamin D — and take my blood pressure? And could I have the actual numbers with the ranges rather than just whether they're normal?"

That names the guidance, asks for something specific, and is very hard to refuse.

Print the free blood test sheet to take with you, and the free visit prep sheet for the rest of the appointment. The free 30-day symptom tracker gives you the pattern to put alongside the results.

Where this sits

Month one, alongside starting a record. The results change what the rest of the conversation is about, which is why they come before decisions about treatment — see the first six months and where to start.

The free 2-minute Menova self-check organizes your symptom picture — no account, not a diagnosis, and your answers never leave your device.

This article is general education, not medical advice or a diagnosis. Which tests are appropriate depends on your history, your symptoms and your health system. Do not start or stop any supplement or medication based on this page.

Sources: NICE NG23 — Menopause, The Menopause Society, ACOG — The Menopause Years, and NHS — Menopause Diagnosis.