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Measuring your AMH level gives you an indication of your ovarian reserve, and is sometimes used in fertility planning.
Anti-Müllerian hormone
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Prepare for your anti-Müllerian Hormone (AMH) Blood Test by following these instructions. Hormonal contraception can affect this test; taking a break from this and using barrier contraception will give more accurate results. If you stop taking the pill, wait until your periods have resumed their normal cycle before taking this test. AMH levels fluctuate minimally throughout the menstrual cycle, so taking the test at any point will give you a valid result. However, if you have regular periods and you're tracking your results over time, we recommend taking the test between days two and five of your cycle for consistency, or follow guidance from your fertility specialist. Do not take biotin supplements for two days before this test; discuss this with your doctor if it’s prescribed.
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Our AMH Blood Test will tell you if your AMH level is normal for your age. If you’re undergoing in vitro fertilisation (IVF), it can be useful to predict the number of eggs you’ll release as well as the dosage of medication to stimulate the ovaries.
If you receive a low AMH result, this can be a sign that your ovarian reserve is decreasing, which may affect your fertility. In these cases, your fertility doctor may recommend a follow-up ultrasound scan (antral follicle count), where a doctor counts the activated follicles within your ovaries.
Our AMH test can also help signal some reproductive health conditions. For instance, a high AMH level can be an indicator of polycystic ovary syndrome (PCOS), a hormonal condition that can affect your fertility.
Some hormonal contraceptives, such as the pill or the implant, can falsely lower your result. Having polycystic ovary syndrome (PCOS) is also likely to lead to a falsely raised result.
Other factors that may affect your AMH level include biotin supplements and previous ovarian surgery. For more information, please see our special instructions.
Anti-Müllerian hormone (AMH) is made in your ovaries — specifically by the small follicles where your eggs develop. The number of follicles you have declines naturally with age. As AMH is only produced by ovarian follicles, the same decline is seen in the AMH level, which makes it a good indicator of your ovarian reserve.
Although there are no guaranteed ways to increase your AMH levels, there are some natural methods that can help improve your ovarian reserve and fertility.
Speak with your doctor about the best ways to improve your AMH levels and maximise your chances of conceiving. And you can find out more in our Fertility Guide.
Ovarian reserve naturally declines with age as you near menopause. However, some women can be diagnosed with diminished ovarian reserve, meaning the number and quality of their eggs is lower than expected for their age.
A low ovarian reserve can have several causes, including:
-A family history of early menopause/perimenopause
-Smoking
-Ovarian surgery (such as the removal of an ovary)
-Autoimmune conditions, including thyroid disease
-Pelvic infection
-Chemo- and radiotherapy
If you’re starting fertility treatment or have decided to freeze some of your eggs, an AMH test can give you an estimate of your ovarian reserve (how many eggs you have left).
If your result is very low, it could mean you’re more likely to have an early menopause and you may decide to bring your family planning timeline forward. Read our blog to find out what AMH can tell you about your fertility.
Although our AMH Blood Test can give you insights into your ovarian reserve, it can’t tell you how many healthy eggs you have remaining or your likelihood of becoming pregnant (either naturally or through fertility treatment). There are many reasons why a couple may not be conceiving, which this test can’t detect. Therefore, this test should not be used as a predictor of fertility. Normal AMH levels are based on broad age brackets. AMH levels peak at around 25 years of age. If you’re under 25, the result may not accurately reflect your ovarian reserve.
