AMH blood test (ovarian reserve) (Anti-Müllerian hormone (AMH) test)
A blood test that estimates ovarian reserve (roughly how many eggs remain), used mainly to help plan fertility treatment such as IVF.
✓ Medically reviewed by a GMC-registered consultant · last reviewed September 2026 · next review September 2027 · how we review
In short
- An AMH blood test estimates ovarian reserve (egg quantity) and is most useful for planning fertility treatment such as IVF.
- It does not measure egg quality and does not predict whether or when you can conceive naturally; age matters far more for that.
- A single AMH value can vary between labs and over time, so it should be interpreted by a specialist, not read as a verdict.
- A low result does not mean you cannot get pregnant, and a normal result does not guarantee you will, so the number needs context.
A plain-English summary. The detail — including risks and recovery — is below.
At a glance
A general guide. Your specialist will give you advice for your situation.
Gives an estimate of ovarian reserve to help plan fertility treatment such as IVF.
Using AMH on its own to decide whether you can conceive naturally or when to try.
The blood test takes a few minutes. You can return to normal activity straight away, with at most a small bruise on your arm.
A specialist who interprets AMH alongside your age and is honest about its limits.
The blood test takes a few minutes. You can return to normal activity straight away, with at most a small bruise...
The laboratory reports your AMH level, usually in pmol/l.
A clinician should explain what your level suggests about ovarian reserve, how it compares for your age, and what...
The result may feed into a plan for trying naturally, further tests, IVF, or egg freezing, always alongside your...
What is an AMH blood test?
An AMH (anti-Müllerian hormone) blood test is a simple blood test that gives an estimate of your ovarian reserve, which means roughly how many eggs you have left. AMH is made by the small follicles in the ovaries, so a higher level usually means more eggs remaining and a lower level usually means fewer.
The test is most useful for planning fertility treatment such as IVF, because AMH helps predict how the ovaries are likely to respond to the medicines used to stimulate them. A very low level may suggest a weaker response and a very high level may flag a risk of over-response (ovarian hyperstimulation), so the result helps doctors choose a safer medicine dose.
It is just as important to understand what AMH does not tell you. It measures egg quantity, not egg quality, and it does not predict whether you can get pregnant naturally or when you will have a baby. Age remains the strongest factor in natural fertility and egg quality. AMH levels can also vary between laboratories and over time, so a single number should never be treated as a verdict on your fertility.
In the UK, fertility treatment is regulated by the HFEA, and AMH testing is one of the ways NICE suggests estimating ovarian response before IVF.
Types, options & approaches
There may be different ways to do this. The right approach depends on the clinical question and your circumstances.
What AMH does and does not tell you
| Question | AMH test |
|---|---|
| Roughly how many eggs are left? | Gives an estimate |
| How likely is a good IVF response? | Helps predict this |
| How good is my egg quality? | Does not measure it |
| Can I conceive naturally, and when? | Does not predict this |
AMH is a planning tool for treatment, not a fertility forecast. It says more about ovarian response to IVF than about your chance of a natural pregnancy.
Preparing for your test
- Ask why the test is being done and what decision the result will actually inform.
- You usually do not need to fast, and the test can often be taken on any day of your cycle.
- Tell the clinician if you take hormonal contraception, as it can lower AMH readings.
- Mention any ovarian surgery or conditions such as PCOS, which can affect the result.
- Ask which laboratory and assay will be used, as results are not always directly comparable between labs.
- Think about how you would feel about a low, normal or high result, and what you would do next.
- If you are testing as part of planning, consider seeing a fertility specialist who can interpret it alongside your age and history.
What happens
A health professional takes a small sample of blood from a vein in your arm, usually in a few minutes. You do not normally need to fast or to attend on a particular day of your cycle, which is one reason AMH is convenient.
The sample is sent to a laboratory, where the AMH level is measured, usually in picomoles per litre (pmol/l). Results are often back within a few days to a week.
The number on its own means little without interpretation. A specialist should explain what your level suggests about ovarian reserve, how it compares for your age, and, crucially, what it cannot tell you about egg quality or your chance of a natural pregnancy.
Is this test right for me?
A good consultation should explore whether it's the right choice for you now — including reasons to wait or consider something else.
May not be suitable if…
- Using AMH on its own to decide whether you can conceive naturally or when to try.
- Treating a single AMH value as a diagnosis of infertility.
- Relying on AMH to judge egg quality, which it cannot measure.
- Testing without any plan to interpret the result alongside your age and history.
Delay or rearrange if…
- You are on hormonal contraception that may lower the reading, unless the clinician accounts for this.
- You have new symptoms, such as absent periods or pelvic pain, that need assessment first.
- You feel pressured into testing or treatment and have not had time to consider it.
- You have not yet had a consultation to decide whether the test will change anything for you.
Alternatives to discuss
- An antral follicle count scan, which gives similar information about ovarian reserve.
- A full fertility assessment, rather than AMH in isolation.
- No test yet, with attention to age, timing and lifestyle, if you are early in trying to conceive.
- Seeing your GP for NHS investigation if you have been trying to conceive without success.
Before you decide
Use this as a shared-decision checklist. The aim is not just “can this be done?”, but whether it is right for you, now, with the risks and alternatives clearly understood.
What matters most to me?
Think about symptoms, daily life, work, caring responsibilities, sport, fertility, travel, appearance and anxiety — the right choice depends on your priorities, not just the medical facts.
What are all my options?
Ask about waiting, monitoring, medicines, rehabilitation, a smaller or larger procedure, a different test, NHS referral, or a second opinion where that would help.
What would make me pause?
Active infection, pregnancy, unstable medical problems, smoking, medicines that increase bleeding, poor support at home, or feeling pressured are all reasons to slow down and get tailored advice.
What happens if I do nothing today?
For some problems, waiting is safe; for others, delay can make treatment harder. A good consultation should explain the trade-off in plain English.
Benefits
- Gives an estimate of ovarian reserve to help plan fertility treatment such as IVF.
- Helps predict how your ovaries might respond to stimulation medicines.
- Can flag a higher risk of over-response (OHSS), so a safer dose can be chosen.
- Convenient: a single blood test that can usually be taken on any day of your cycle.
- Can support a wider fertility discussion, alongside age and other tests.
Risks & complications
- False reassurance from a 'normal' or high result, which does not guarantee a pregnancy
- Unnecessary worry from a 'low' result, which does not mean you cannot conceive
- Over-interpreting one number, when AMH varies between labs and over time
- Minor discomfort or a small bruise where the blood is taken
- A misleading result if you are on hormonal contraception, which can lower AMH
- Being steered towards treatment or egg freezing mainly on the basis of one AMH value
- Confusion when results from different laboratories do not match
- Significant distress from a result given without proper explanation or support
- Fainting at the sight of blood or during the blood test
The biggest risk with AMH is misunderstanding it. A low AMH does not mean you cannot get pregnant, and a reassuring AMH does not protect you from the effect of age on egg quality. Ask the specialist what your result means in the context of your age, and what they would and would not change because of it. Be cautious if a clinic uses a single AMH figure to sell treatment.
Published figures to discuss
AMH is a low-risk blood test, so it has no meaningful complication rate. The important uncertainty is what the number means. AMH predicts ovarian response to IVF reasonably well, but it is a weak predictor of natural pregnancy and does not measure egg quality. Levels also vary between assays and laboratories, so results are not always directly comparable, which is why cautious interpretation matters more than a single cut-off.
| Figure | Reported range | How to interpret it | Source / confidence |
|---|---|---|---|
| Physical harm from the blood test | Very low | The risks are the usual blood-test issues: brief pain, bruising, faintness or rarely infection at the needle site. | AMH and prediction of spontaneous pregnancy — review (PMC)ncbi.nlm.nih.govSource-linked context |
| Prediction of IVF egg yield | Reasonably useful for ovarian response, not a guarantee | AMH helps estimate likely response to stimulation and OHSS/poor-response risk; it does not count eggs exactly. | AMH and prediction of spontaneous pregnancy — review (PMC)ncbi.nlm.nih.govSource-linked context |
| Prediction of natural pregnancy | Weak | A low AMH does not mean natural pregnancy is impossible, and a normal AMH does not guarantee fertility. | Guide sourcesClinical context |
| Assay or laboratory variation | Recognised | Results from different labs or assays may not be directly comparable, so trends should be interpreted cautiously. | Guide sourcesClinical context |
These are literature figures, not a personalised prediction. Your own risks and likely benefits depend on your circumstances, your health, and how your care is carried out and followed up.
What happens afterwards
There is no physical recovery from a blood test. The 'afterwards' is about waiting for the result and then having it explained in a way that is honest about its limits.
- A short wait for the result
- A small bruise or tenderness where the blood was taken
- Mixed feelings about the result, whatever the number
- Needing a specialist to put the number into context before it makes sense
Aftercare
- Ask for your AMH result in writing, including the units and the laboratory's reference range.
- Make sure the result is interpreted alongside your age, not in isolation.
- Do not make irreversible decisions, such as paying for treatment, on the strength of one number.
- If you are on hormonal contraception, ask whether this may have lowered the reading.
- Take up counselling or support if a low result is upsetting.
- Keep the result to compare if the test is repeated or if you see another specialist.
- Written AMH result with units (pmol/l) and reference range
- A clear explanation of what the result means for your age
- A note of whether contraception may have affected it
- Your GP or specialist informed if relevant
- Support or counselling details if the result is distressing
- Questions ready for any follow-up appointment
⚠ Get urgent help if…
- Feeling faint, dizzy or unwell during or after the blood test
- A spreading bruise, swelling or increasing pain at the blood-test site
- Periods that have stopped or become very irregular, which should be assessed regardless of AMH
- Feeling hopeless or overwhelmed after a result, when you should seek support
- Being pushed to buy treatment urgently because of a single AMH value, which is a reason to pause
Who to contact: your clinician, clinic or test provider first (keep their number to hand). For urgent advice when you can't reach them, call NHS 111. In an emergency, call 999.
General guidance — it doesn't replace the specific advice your specialist gives you.
Results & realistic expectations
AMH is reported as a level, usually in picomoles per litre (pmol/l). NICE has suggested broad thresholds to help predict IVF response, with a low response considered likely below around 5.4 pmol/l and a high response above roughly 25 pmol/l, though laboratories and clinics may use slightly different cut-offs. These are guides for treatment planning, not lines that decide whether you can have a baby.
A low AMH does not mean pregnancy is impossible, and a normal or high AMH does not guarantee it. The test estimates egg quantity, not egg quality, and it does not predict natural conception. Your age and individual situation matter more, which is why a specialist should always interpret the number for you.
AMH falls gradually with age as the egg supply declines, so a result is a snapshot rather than a fixed value. It can be reasonable to repeat the test in some situations, for example before a treatment cycle, but frequent repeat testing rarely changes the bigger picture, which is shaped mostly by age. Your clinician should explain whether and when a repeat would actually be useful.
Related tests, treatments or support
AMH is often combined with an antral follicle count scan, which counts the small follicles on ultrasound and gives similar information about ovarian reserve. It may also be done with other hormone blood tests as part of a fuller fertility assessment. Together these build a picture of ovarian reserve, but none of them measures egg quality or predicts a natural pregnancy.
Follow-up & long-term care
Your AMH result should be discussed with a clinician who can explain what it means for you. If you are planning IVF or egg freezing, it will help guide the medicine dose and what to expect. If you are simply checking your fertility, the most important follow-up is an honest conversation about age, timing and the limits of the test, rather than treatment driven by the number alone.
- Keep a copy of your result and the units used for future comparison.
- Repeat testing only when a clinician advises it will change a decision.
- Review your plans with a specialist if your circumstances change, as age keeps moving.
- Support egg health indirectly with not smoking, a healthy weight and limited alcohol.
Repeat, follow-on and what comes next
- A borderline or surprising result is sometimes repeated before any decision is made.
- AMH falls with age, so results change over time and a single value can soon be out of date.
- A low AMH does not rule out pregnancy, and the test does not need to be repeated frequently to be useful.
Ask what happens if the result is unclear or needs repeating, and what is included if further tests or follow-up are needed.
What good aftercare looks like
- A specialist who interprets AMH alongside your age and is honest about its limits.
- A written result with units and reference range you can share with your GP.
- Counselling offered if a result is distressing.
- A sensible plan that uses AMH as one input, not the sole reason for treatment.
What affects the cost
Costs vary a great deal between people and providers, and we don't publish prices. What matters is understanding what drives the cost and making sure your quote is complete. The main things that affect it:
- Whether the test is a single AMH or part of a wider fertility panel.
- Whether a specialist consultation to interpret the result is included.
- The laboratory and assay used to measure the hormone.
- Whether an antral follicle count scan is done at the same time.
- Any follow-up appointment to discuss results and next steps.
- Whether a repeat test is recommended and charged separately.
- Whether the price is for the AMH test alone or a bundle of tests.
- Whether a consultation to interpret the result is included.
- The units and reference range the laboratory will report.
- The cost of any antral follicle count scan done alongside it.
- Follow-up consultation costs after the result.
- What happens, and what it costs, if the result leads to further tests or treatment.
On the NHS? AMH testing may be available on the NHS when fertility treatment such as IVF is being planned; a test requested purely to check egg reserve is often only available privately. Whether the NHS pays for AMH testing, and for any fertility treatment that follows, depends on local eligibility rules that are set separately in England, Wales, Scotland and Northern Ireland and can change over time. NICE guidance sets out the clinical recommendations for England, but it does not decide funding on its own, so check the current rules with your GP, the relevant NHS or HSC fertility service, or the clinic.
You're entitled to your total cost in writing — including reports, follow-up and what happens if the result is inconclusive — before you decide.
Consent traps and marketing red flags
These are not small details. They are often where patients lose choice, time to reflect, or realistic expectations.
Consent traps
- Being given a number with no explanation of what it does and does not predict.
- Treating a low AMH as proof of infertility, or a high AMH as a guarantee of pregnancy.
- Not being told that AMH measures egg quantity, not quality, and not natural conception.
- Being moved quickly from a low result into paid egg freezing or IVF without a balanced discussion.
Marketing red flags
- Selling AMH as a test of 'how fertile you are' or a prediction of a baby.
- Using a single AMH value to push egg freezing or IVF.
- Quoting a number without the units, reference range or the limits of the test.
- Implying a normal AMH means you can safely delay trying for years.
Choosing a specialist safely
- Check the specialist is on the GMC Specialist Register for this area.
- Make sure they work at a CQC-registered service, and look for membership of the relevant Royal College or professional body.
- You're entitled to time to consider and to have your questions answered before you agree — the specialist who looks after you should explain it, not a salesperson.
- Be wary of pressure: time-limited offers or deposits taken before you've had time to think are red flags, not bargains.
- You're entitled to your total cost in writing — including any follow-up — before you decide.
Questions to ask your medical professional
Take this to your consultation. A good specialist will welcome every one of these.
- Why am I having this test, and what decision will the result inform?
- What does my AMH level mean alongside my age?
- Could my contraception or any condition have affected the result?
- What would you change based on a low, normal or high AMH?
- How does this fit with an antral follicle count or other tests?
- What does this test not tell me about my chance of a baby?
- Are you on the GMC Specialist Register for this area, and which Royal College or professional body are you a member of?
- Will you be the specialist who carries out my test, and who looks after me afterwards?
- What are the risks for someone like me, and how often do your own patients have a problem or need it repeated or redone?
- What does a realistic result look like — and what can this test not achieve?
- What are my options, including waiting, doing nothing for now, or choosing a different approach?
- Can I have written information, results and aftercare instructions in a format I can use, including any accessibility or communication support I need?
- What is the total cost in writing, including any follow-ups, and how much time do I have to decide?
Frequently asked questions
Does a low AMH mean I cannot get pregnant?
Does a high AMH mean I am very fertile?
Can I take the test on any day of my cycle?
Is the AMH test available on the NHS?
Why do my AMH results differ between clinics?
Should I freeze my eggs because of my AMH?
Find a verified specialist for amh blood test (ovarian reserve)
Every consultant is GMC-checked and independently reviewed. Search by postcode and distance, or switch to a map. Ordered by rating, relevance and recency — never by who pays.
No verified consultants list this procedure yet — browse the full directory.
How we made this page
Medically reviewed by a GMC-registered consultant. Written in plain English, checked against NHS, NICE, GMC and relevant Royal College / specialist-society guidance, and kept under review. No clinic paid to appear on this page, and we publish no pricing. This is general information to help you prepare — it is not a substitute for advice from your own clinician. How we review our guides →
Source hierarchy: UK regulator and NHS/NICE guidance first, then relevant Royal College or specialist-society guidance, then peer-reviewed evidence for procedure-specific figures where available.
Sources & standards: HFEA — A-Z fertility glossary (AMH, ovarian reserve) NICE NG257 — Fertility problems: investigation and management British Fertility Society — What exactly is ovarian reserve? AMH and prediction of spontaneous pregnancy — review (PMC) AMH as a marker of ovarian reserve and function — review (PMC) NHS inform (Scotland) — infertility and fertility treatment access NHS Wales — specialist fertility services commissioning policy (CP38) Northern Ireland — Regional Fertility Centre (Belfast HSC Trust)
Reviews reflect patients' experience of care, not clinical outcomes. For procedure volumes and outcome data see PHIN.
Last medically reviewed 2026-09-21. Spotted something wrong or out of date? Report an error in this guide.
Related guides: Antral follicle count (AFC) scan · Hormone blood tests (fertility) · Fertility assessment (fertility MOT) · IVF · Genetic carrier screening