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Fertility Glossary

Anti-Müllerian Hormone (AMH)

Last updated: March 2026 · Medically reviewed by Dr. Adnan Jabbar

Anti-Müllerian Hormone (AMH) is a blood test measuring ovarian reserve — the quantity of remaining eggs. Low AMH indicates diminished ovarian reserve; high AMH is associated with PCOS. AMH does not predict egg quality.

1.0–3.5

Normal AMH range in ng/mL for reproductive-age women (Endocrine Society, 2022)

<0.5

ng/mL threshold indicating diminished ovarian reserve

~25%

Decline in AMH per decade after age 30 (ESHRE, 2023)

What does AMH tell us?

AMH is produced by granulosa cells surrounding small antral follicles in the ovaries. A higher AMH reflects more available follicles — and therefore a larger pool of potentially retrievable eggs. It declines naturally with age as the follicle pool depletes.

In IVF, AMH is used to predict ovarian response to stimulation — specifically, how many eggs are likely to be retrieved. This guides medication dosing and protocol choice. Women with high AMH (often seen in PCOS) need careful stimulation to avoid ovarian hyperstimulation syndrome (OHSS).

Crucially, AMH reflects quantity — not quality. Egg quality is determined by age and other biological factors. A low AMH in a 28-year-old is a different clinical situation than a low AMH in a 40-year-old.

Related terms

Frequently asked questions about AMH

What does AMH stand for?
AMH stands for Anti-Müllerian Hormone — a hormone produced by small follicles in the ovaries that reflects the remaining egg supply (ovarian reserve).
What is a normal AMH level?
The normal range for reproductive-age women is approximately 1.0–3.5 ng/mL (Endocrine Society, 2022). Values below 0.5 ng/mL indicate diminished ovarian reserve.
Does low AMH mean I cannot get pregnant?
Not necessarily. Low AMH means fewer eggs are retrievable per IVF cycle, which reduces the statistical success per cycle — but many women with low AMH conceive with optimised IVF protocols.
Does AMH predict egg quality?
No. AMH reflects egg quantity only. It does not predict egg quality, which is assessed differently (e.g., through embryo grading after fertilisation).

Want to understand your AMH result?

Dr. Adnan Jabbar can review your test results and explain what they mean for your fertility options.

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