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AMH
A marker of ovarian reserve — the remaining egg supply in the ovaries. Falls with age; rises in polycystic ovary syndrome.
Other names: AMH, Anti-Müllerian HormoneSection: Hormones
Updated: August 31, 2026·MedProtect editorial team Reference information — not a diagnosis or a prescription
In shortAMH (anti-Müllerian hormone) is a marker of ovarian reserve — the remaining egg supply. It falls with age and before menopause, and rises in polycystic ovary syndrome. There is no single normal: interpretation depends on age and the lab's assay.
Reference ranges
Group
Reference range
Women
interpreted by age: the older the woman, the lower the typical level; use the reference and units (ng/mL or pmol/L) on your lab report
The source stresses: the meaning of an AMH result depends on why the test was done and on age — a high level means more eggs available, a low level a shrinking supply; in PCOS the level is usually raised. There is no single range: assays differ between laboratories. Reference ranges vary between laboratories and assays — use the range printed on your own lab report.
Check your value
Enter your result — we will show how it compares with a typical range. Match the units of the selected row.
Approximate comparison with a typical range, not a diagnosis. Reference intervals vary by laboratory and method — check your report; result interpretation is done by a doctor.
What this marker is
AMH (anti-Müllerian hormone) is produced by cells of growing follicles in the ovaries. Its level reflects ovarian reserve — the approximate remaining egg supply: the fewer the follicles, the lower the AMH. In men, the hormone is produced by the testes and plays a role in development.
The test is ordered when planning pregnancy and IVF, when polycystic ovary syndrome is suspected (AMH is usually raised there) and to assess the approach of menopause. Important: AMH shows quantity, not egg quality, and does not predict the chance of conceiving naturally — a reproductive specialist or gynecologist interprets it together with age and ultrasound.
When it is high
Polycystic ovary syndromeMany small follicles produce excess AMH — one of the diagnostic criteria of PCOS.
High ovarian reserveIn young women a high level is a normal variant reflecting a large follicle pool.
Granulosa cell tumorsA rare cause of very high values — the marker is used for monitoring.
When it is low
Age-related declineA natural process: the follicle pool shrinks with age and AMH falls.
Approaching menopauseBefore menopause, AMH drops to very low values.
Ovarian surgery and chemotherapyRemoval of ovarian tissue and gonadotoxic treatment reduce the reserve.
Premature ovarian insufficiencyEarly reserve depletion before 40 — needs follow-up with a gynecologist-endocrinologist.
What can skew the result
These factors can shift the value without any disease — worth considering before a retest:
AgeHormonal contraceptives (lower it modestly)Ovarian surgeryCycle day (minimal — any day works)
How to prepare
Blood from a vein. AMH barely depends on the cycle day — the test can be taken any day, unless your lab says otherwise. Hormonal contraceptives can modestly lower the result — tell your doctor.
When a retest makes sense
When planning pregnancy or IVF — as the reproductive specialist advises; routine trend monitoring is usually unnecessary.
Who usually reviews this result
A result outside the reference range is usually reviewed by: gynecologist, reproductive specialist. Bring your lab report and any previous results to the appointment.
Names used on lab reports
Your report may use any of these names: AMHAnti-Müllerian hormoneAnti-Mullerian hormoneMüllerian-inhibiting substance
Units
Measured in: ng/mL or pmol/L (lab-dependent)
Several markers on your report?
See how MedProtect explains results in the app: the whole report, a check of the recognized values, and a clear breakdown.
No: AMH reflects supply, not egg quality. Women with low AMH conceive naturally — the result matters mainly for IVF planning and choosing tactics with a reproductive specialist.
Do I need a specific cycle day for AMH?
Unlike most sex hormones, AMH is stable across the cycle — any day works unless your doctor says otherwise.
Can AMH be raised?
The follicle pool is set at birth and only depletes — it cannot be increased. Supplements to 'raise the number' are pointless; tactics for low reserve are discussed with a reproductive specialist.
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