The anti-Müllerian hormone (AMH) is a protein produced by granulosa cells in ovarian follicles. AMH levels tend to be at the highest around the age of 25 and then begin to decline after the age of 30. The level of AMH in the bloodstream can be an indicator of fertility in women, specifically in relation to the number of eggs in reserve in the ovaries. It can also help to predict menopause and diagnosis ovarian hyperstimulation syndrome and polycystic ovary syndrome.
What is an AMH test?
An AMH test is a blood test used to measure AMH levels circulating in your body. There is a relationship between AMH levels and fertility levels in women. The higher the AMH level, the higher the number of eggs.
Measuring AMH levels can help to:
- evaluate ovarian reserve (number of eggs)
- predict the likelihood of IVF success
- predict the age of menopause
- confirm diagnosis of premature ovarian failure
- assess the risk of ovarian hyperstimulation syndrome (OHSS)
- diagnose polycystic ovary syndrome (PCOS).
Who should get tested?
If you are a woman experiencing difficulty becoming pregnant and considering in-vitro fertilization treatment (IVF), you should speak to your healthcare provider about whether an AMH test is right for you.
Your healthcare provider may also order an AMH test if they are concerned about:
- the onset of menopause
- ovarian hyperstimulation syndrome (OHSS)
- polycystic ovary syndrome (PCOS).
When is this test ordered?
The AMH test is commonly ordered for:
- women experiencing difficulty getting pregnant
- women considering undergoing IVF treatment
- diagnosing polycystic ovary syndrome (PCOS)
- diagnosing ovarian hyperstimulation syndrome (OHSS)
- predicting the age of menopause
How can I get tested?
Testing is completed by LifeLabs at a Patient Service Center or via our mobile lab service through a simple blood sample. You will require a completed test requisition from your healthcare provider.
Understanding your results
Test results will be provided directly to your doctor for discussion with you. The report will indicate:
- AMH levels circulating in your blood
- Range levels for AMH levels
Your medical history, age and other factors influence the outcome of the tests. Your doctor will help explain the results and determine whether further testing or treatment is required.
High AMH levels can indicate:
- a higher the number of remaining ovarian follicles (eggs)
- a higher likelihood in a positive response to IVF
- polycystic ovary syndrome
A decline in AMH levels can reflect a number of items including:
- a progression to menopause
- a lower likelihood of positive response to IVF
- ovarian hyperstimulation syndrome (OHSS).
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