Anti-Müllerian Hormone (AMH) Test: Levels and Insights

Updated on: May 13, 2025 | 3 min read

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The Anti-Müllerian Hormone (AMH) test is widely used in reproductive and hormone health. It helps provide key insights at different stages of life, from early development to adulthood.

Results are used to support medical decisions related to fertility, diagnosis, and treatment planning.

What Is Anti-Müllerian Hormone (AMH)?

Anti-Müllerian hormone (AMH) is a substance made by the ovaries in women and the testicles in men.

In women, AMH is made by tiny sacs in the ovaries called follicles. These sacs hold immature eggs. AMH levels show how many eggs you might have left. This is called your ovarian reserve.

In men, AMH helps form the male reproductive organs before birth.

Doctors use AMH as a marker to check fertility, monitor ovarian conditions, and help understand hormone-related problems.

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AMH testing is often used to check reproductive health or hormone issues.

You may need this test if you:

  • Are trying to get pregnant
  • Are planning fertility treatments like IVF
  • Have irregular or no periods
  • Have symptoms of PCOS (like acne or extra body hair)
  • May be near menopause
  • Are being treated for ovarian cancer
  • Have a male child with no testicles in the scrotum
  • Have a baby with unclear genitals

How Is AMH Testing Conducted?

AMH is measured with a blood test. A small sample is taken from a vein in your arm. It takes only a few minutes.

This test is often done together with:

These tests help give a full picture of your hormone health. In fertility treatments like IVF, AMH levels are used to predict how your ovaries will respond to stimulation. This helps doctors choose the right medication dose and avoid over- or under-treatment.

Do you need to prepare?

No. You don’t need to fast or plan the test for a certain day of your cycle. You can eat and drink as usual.

What Are the Normal AMH Levels?

AMH levels are measured in nanograms per milliliter (ng/mL) and must be interpreted based on age and sex.

Males:

  • <2 years: 18–283 ng/mL
  • 2–12 years: 8.9–109 ng/mL
  • 12 years: <13 ng/mL

Females:

  • <3 years: 0.11–4.2 ng/mL
  • 3–6: 0.21–4.9 ng/mL
  • 7–11: 0.36–5.9 ng/mL
  • 12–14: 0.49–6.9 ng/mL
  • 15–19: 0.62–7.8 ng/mL
  • 20–24: 1.2–12 ng/mL
  • 25–29: 0.89–9.9 ng/mL
  • 30–34: 0.58–8.1 ng/mL
  • 35–39: 0.15–7.5 ng/mL
  • 40–44: 0.03–5.5 ng/mL
  • 45–50: <2.6 ng/mL
  • 51–55: <0.88 ng/mL
  • 55: <0.03 ng/mL

Note: These reference values may differ depending on the laboratory and the testing method used. Always review your results with a healthcare provider.

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What Do Abnormal AMH Levels Mean?

Anti-Müllerian Hormone High Levels

High AMH means you may have more follicles than usual.

Common causes include:

  • PCOS: A hormone issue that causes many small follicles and irregular periods
  • Ovarian tumors: Certain rare tumors can raise AMH
  • Late menopause: Some women stay fertile longer

Recommendations

  • Visit a gynecologist or hormone doctor
  • Keep track of your cycle and symptoms
  • Stay active and maintain a healthy weight
  • Don’t make health decisions based only on AMH, other tests matter too

Anti-Müllerian Hormone Low Levels

Low AMH means fewer eggs in the ovaries. It may lower the chance of pregnancy.

Still, a very low AMH level does not mean you can’t get pregnant. It only shows the number of eggs left in the ovaries (your ovarian reserve). It does not measure egg quality or whether you are ovulating. Many people with low AMH can still conceive naturally or with help.

Common causes include:

  • Aging: AMH drops as you get older
  • Early menopause: Periods stop before age 45
  • Ovarian damage: Surgery or chemotherapy can affect the ovaries
  • Genetic issues: Inherited problems may affect hormone levels

Recommendations

  • See a fertility specialist if you're planning a pregnancy
  • Consider options like egg freezing if needed
  • Focus on overall health; eat well, sleep well, and reduce stress

Are There Any Limitations to the AMH Test?

While AMH testing is useful, it has limits:

  • It does not predict whether you will get pregnant.
  • It does not measure egg quality or confirm ovulation.
  • It should be used along with other tests and medical history.

If you are using hormonal birth control, AMH levels may appear slightly lower. This effect is usually temporary. Your doctor may recommend testing a few months after stopping birth control for the most accurate results.

Which Specialist Should You Consult?

The right doctor depends on your situation:

  • Trying to conceive: Fertility specialist
  • Hormone or period issues: Gynecologist
  • Early menopause: Hormone specialist or OB-GYN
  • Ovarian cancer care: Oncologist
  • Baby or child hormone issues: Pediatric endocrinologist or geneticist
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