When you're trying to conceive or considering fertility treatment, you'll likely encounter two important blood tests: AMH (anti-Müllerian hormone) and FSH (follicle-stimulating hormone).
Both tests assess your ovarian reserve, but they work in different ways and tell you different things about your fertility.
Understanding what each test measures can help you feel more confident as you navigate your fertility journey.
Let's break down the science, clear up the confusion, and help you understand which test matters most for your situation.
Introduction to Fertility Tests
Understanding your fertility is vital for planning your future, whether you're hoping to conceive soon or simply want to learn more about your reproductive health.
Fertility tests offer valuable insights into how your body is functioning and can help identify potential challenges early. These tests assess various aspects of fertility, including ovarian reserve, sperm count, and hormonal balance, providing a clearer picture of your overall reproductive health.
What is AMH and Why Does It Matter?
Anti-Müllerian hormone (AMH) is produced by the small follicles in your ovaries. The higher your AMH level, the more eggs you likely have remaining.
AMH plays several important roles in the body, including guiding the development of sex organs during fetal growth and supporting reproductive health throughout life. In fetal development, AMH influences the formation of reproductive organs, such as the fallopian tubes, uterus, and upper vagina in females.
What Does AMH Tell You?
AMH levels correspond to your ovarian reserve, making AMH measurement a key indicator of a woman's remaining egg supply or fertility potential.
- AMH reflects the quantity of eggs in your ovaries, not their quality
- Higher levels generally indicate more eggs available for potential conception or fertility treatment
- Lower levels suggest a smaller pool of remaining eggs
- The test checks the number of immature eggs present in your ovaries, providing insight into your ovarian reserve
AMH is a key marker in assessing female fertility, as it helps estimate how many eggs you have left. As women age, the number of eggs decreases, and this is reflected in declining AMH levels. AMH levels naturally decline with age, a normal part of ovarian ageing.
Why is an AMH Test Useful?
Knowing your AMH levels can help you and your healthcare provider make informed decisions about fertility treatment options, such as in vitro fertilisation (IVF) or egg freezing.
If you have higher AMH levels, you're more likely to produce multiple eggs during ovarian stimulation. Lower AMH levels suggest you may make fewer eggs, which helps your clinic tailor medication doses and set realistic expectations. AMH testing is often included as part of an ovarian reserve test.
AMH testing can also help diagnose certain conditions, such as hormonal imbalances that may affect ovulation or reproductive health.
Other factors besides AMH levels can also influence fertility, so a comprehensive assessment is important. Healthcare providers may recommend testing based on your individual circumstances and fertility goals.
How to Prepare for an AMH Test
Unlike some fertility tests, the AMH test doesn't require you to...
