What is a Anti-Mullerian Hormone Test?


An anti-mullerian hormone test (AMH) can be done at any time in the menstrual cycle, as your amh levels are stable throughout the cycle. It is a marker for ovarian (egg) reserve and is assessed via an AMH blood test.

For accurate assessment, AMH tests should be combined with an antral follicle count (AFC), which is the number of small follicles within both ovaries. AFC is done using an expert fertility ultrasound scan. CREATE pioneered advanced fertility ultrasound techniques, providing us with an extremely accurate assessment of your fertility. Find out more about our advanced scanning.

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What is AMH and what does it mean for fertility?


Anti-Mullerian Hormone (AMH) is a protein hormone produced by cells within the ovary. Understanding your AMH levels can help to assess your ovarian egg reserve and therefore your fertility.

AMH levels by age


Anti-mullerian hormone levels are naturally lower in older women (particularly over the age of 40) and higher in women with Polycystic Ovaries (PCO) or Polycystic Ovary Syndrome (PCOS).

What if I have low AMH levels?

If you have very low AMH levels, you are likely to respond poorly to the drugs involved in conventional, stimulated IVF. However, Natural/Modified Natural IVF treatment can be used as an alternative.

CREATE Fertility pioneered Natural IVF and Modified Natural IVF treatments to enable women to have a baby with their own eggs if they have low AMH levels as long as the woman is ovulating. At CREATE we will treat any woman under the age of 50 with her own eggs if at all possible and have a long history of good success rates with these patients. In 2011 our success rates were as follows:

AMH level Success rates:

  • AMH <2.84 pmol/l 10.5%
  • AMH 1.2-2.84 pmol/l 16.35%
  • AMH 1.0-2.84 pmol/l 14.3%


Reducing the number of drugs given to women with low AMH levels can reduce the risk of Ovarian Hyper Stimulation Syndrome (OHSS) which is a potentially fatal side effect of high levels of stimulating drugs. CREATE’s commitment to patient safety and reduces unnecessary medication means we have never had a patient with a serious case of OHSS.

If you’re worried about low AMH levels and the implications on your fertility it is important to discuss these concerns with a specialist. If you would like to arrange a consultation with one of our fertility experts, please contact us.

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From one of our fertility experts