Lab marker · Low

Low Anti-Müllerian hormone (AMH): what it means

A Anti-Müllerian hormone (AMH) result below the normal range is considered low. Here is what a reduced Anti-Müllerian hormone (AMH) can point to, and when it is worth discussing with a doctor.

Reference range: Roughly 1–4 ng/mL in fertile women; falls with age toward menopause, high in PCOS; no strong cut-off — read against age

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What a low Anti-Müllerian hormone (AMH) can mean

  • Diminished ovarian reserve — fewer eggs remaining; expected with age.
  • Approaching menopause / primary ovarian insufficiency — very low or undetectable.
  • After chemotherapy, radiotherapy or ovarian surgery — reduced reserve.
  • A low AMH means fewer eggs, not that natural conception is impossible — it does not measure egg quality or predict any single month's chance.

When to discuss with a doctor

AMH is most useful for planning, not for a yes/no verdict on fertility. A low result in a woman considering pregnancy is a reason to seek fertility advice sooner rather than to give up hope, and may support egg-freezing or earlier treatment. A high AMH with irregular periods and signs of excess androgens supports a PCOS assessment. Because AMH cannot tell you whether you will conceive this cycle, it should always be interpreted with age, FSH, estradiol and the overall picture. Mediora.AI shows AMH against age and its companion hormones; the fertility plan belongs with a gynaecologist or fertility specialist.

Conditions this can relate to

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Mediora.AI is informational - interpretation, not a diagnosis. A single out-of-range value is common and often benign; always discuss decisions with your doctor.