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Anti-Müllerian Hormone

AMH Müllerian-Inhibiting Substance (MIS)
Serum (SST; cycle day independent) pmol/L

About this test

Produced by ovarian granulosa cells of preantral and antral follicles. The best single marker of ovarian reserve. Low AMH indicates diminished reserve; high AMH suggests PCOS.

Reference Ranges

Sex Age Range Notes
Female 18–30 yrs 13.1 – 53.8 Age 18–30
Female 30–40 yrs 6.8 – 47.8 Age 30–40
Female ≥ 40 yrs 0 – 19.1 Age >40; very low suggests diminished reserve

Clinical Interpretation

Low / Decreased
Low AMH — diminished ovarian reserve, premature ovarian insufficiency, post-chemotherapy.
High / Increased
Elevated AMH — PCOS (generally >21–36 pmol/L), granulosa cell tumour.

Related Tests

Oestradiol Inhibin B
Specimen
Serum (SST; cycle day independent)
Reporting Unit
pmol/L
Category
🔄 Hormones

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.