“My AMH is low. Does that mean my egg quality is also low?”
It is an understandable question, especially when an AMH result is one of the first numbers you see during a fertility evaluation. However, egg count and egg quality provide different information, so a result concerning one cannot be used to determine the other.
Egg count broadly relates to your ovarian reserve, or the number of eggs remaining in the ovaries. Egg quality, on the other hand, broadly refers to an egg's reproductive potential, including its ability to fertilise and contribute to the development of a viable embryo.
Understanding this difference can make fertility test results less confusing and help you have a more informed conversation with your fertility specialist.
Egg Count and Egg Quality are Not the Same Thing
Although the two are often discussed together, they answer different fertility questions.
Egg Count
Egg Quality
What does it mean?
The remaining supply of eggs in the ovaries
The reproductive potential of the eggs
Does age affect it?
Yes
Yes
Can it be assessed?
Ovarian reserve can be estimated using fertility tests
There is no routine test that directly measures it
Does AMH provide information about it?
Yes, as a marker of ovarian reserve
Not directly
This distinction matters because having fewer eggs does not automatically mean that the remaining eggs are of poor quality. Similarly, having a higher ovarian reserve does not guarantee better egg quality or a higher likelihood of pregnancy.
What Does Egg Count Tell You About Fertility?
Knowing your ovarian reserve can help your doctor understand how your ovaries may respond if fertility treatment involves ovarian stimulation. It is particularly useful for treatment planning, but it does not work as a standalone test of your chances of becoming pregnant naturally.
This is because fertility depends on several factors, not simply how many eggs remain in the ovaries.
AMH: What it Can Tell You - and What it Can’t
AMH, or anti-Müllerian hormone, is produced by small follicles in the ovaries. Measuring it can give your fertility specialist useful information about ovarian reserve.
So, what does your AMH number actually mean? It can help your doctor estimate ovarian reserve and anticipate how the ovaries may respond during fertility treatment. What it cannot do is tell whether an individual egg will fertilise normally or contribute to the development of a viable embryo. A higher AMH level also does not guarantee pregnancy.
Rather than interpreting the AMH number on its own, your fertility specialist will consider it alongside factors such as your age, medical history and other findings from your fertility evaluation.
Can I Still Get Pregnant With a Low Egg Count?
Finding out that you have a lower ovarian reserve can understandably make you wonder what it means for your chances of pregnancy. However, a low egg count does not mean that pregnancy is impossible.
Conception depends on more than the number of eggs remaining. Your age, whether you are ovulating, the health of the fallopian tubes, sperm factors and other individual circumstances can all play a role. Your fertility specialist can consider these factors together to help you understand what a lower ovarian reserve means in your individual situation.
Does Age Affect Egg Quality?
Yes, age is an important factor in egg quality, but the change does not happen suddenly at a particular birthday.
As women get older, the proportion of eggs with chromosomal abnormalities tends to increase. This can make it more difficult for an egg to fertilise normally, develop into a viable embryo and result in an ongoing pregnancy. When discussing egg quality for pregnancy, age provides useful clinical context, but it cannot tell us the quality of an individual egg.
Can Egg Quality be Tested Directly?
Unlike ovarian reserve, there is no routine blood test or scan that can directly tell you the quality of your eggs. Tests such as AMH provide information about egg quantity, not the reproductive potential of an individual egg.
During IVF, doctors and embryologists can observe factors such as egg maturity, fertilisation and embryo development. These provide useful information during treatment, but they still do not offer a direct test of an individual egg’s overall quality or chromosomal status before fertilisation.
Your doctor may discuss ovarian reserve testing if you are having difficulty conceiving, preparing for fertility treatment or considering reproductive options where understanding your remaining egg supply may be useful.
The choice to take a test depends on your specific situation. An ovarian reserve result is most helpful when viewed as one part of a fertility assessment rather than as a fertility score on its own.
Understanding Fertility Results in Context
Seeing a fertility test result outside the expected range can be worrying, but one number rarely tells the whole story. A lower ovarian reserve does not automatically mean poor egg quality, just as a reassuring AMH result cannot predict pregnancy.
What matters is how your results fit together with your age, reproductive history and other findings from your fertility evaluation. Discussing them with your fertility specialist can help you understand what they mean for your individual situation and whether any next steps are needed.
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AMH is primarily a marker of ovarian reserve, so it provides information about egg quantity rather than egg quality.
2. Can I get pregnant with a low egg count?
Yes, pregnancy can still be possible even if the ovarian reserve is lower. The possibility depends on factors beyond the number of eggs, such as age and other aspects of reproductive health. Your fertility specialist can consider all these factors together rather than relying on ovarian reserve alone.
3. Can egg quality be tested directly?
There is currently no routine blood test or scan that directly measures the quality of an individual egg. Age provides important clinical context, while IVF may provide additional information through egg maturity, fertilisation and embryo development
4. At what age does egg quality start to decline?
Egg quality changes gradually with age rather than suddenly declining at one particular age. The decline generally becomes more significant with advancing reproductive age, but the pattern and its impact on fertility can vary between individuals.
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