If you’ve had an AMH test and are trying to figure out whether your number is “good,” the honest answer is: it depends entirely on your age. AMH doesn’t have a single universal normal range the way, say, a fasting blood sugar level does. The same number can be unremarkable at one age and a reason for a closer conversation at another. Here’s how to actually read it.
What AMH Reflects, Briefly
Anti-Müllerian Hormone is produced by small, developing follicles in the ovaries, and its level in the blood gives a reasonable estimate of ovarian reserve — roughly how many eggs remain. Because the total egg supply declines with age, expected AMH levels decline with age too, which is exactly why age-specific ranges matter more than a single fixed cutoff.
Typical AMH Ranges by Age Group
These are general reference ranges used across fertility medicine, though individual labs may report slightly different scales, and your own result should always be interpreted by a specialist alongside your specific history:
Under 25: AMH levels are typically at their highest, often above 3.0 ng/mL, reflecting the largest remaining egg supply of a woman’s reproductive life.
25–30: Levels are generally still robust, commonly in the range of 2.5–3.5 ng/mL, though this varies by individual.
30–35: A gradual decline usually begins here, with typical levels often falling in the 1.5–2.5 ng/mL range.
35–40: The decline generally becomes more noticeable, with levels commonly seen in the 1.0–1.5 ng/mL range, though this varies considerably between individuals.
Over 40: Levels are typically lower, often below 1.0 ng/mL, reflecting the natural, expected decline in reserve at this stage.
Why These Ranges Are Guides, Not Verdicts
These figures describe general population trends, not individual guarantees. Two women of the same age can have meaningfully different AMH levels — one might have a reserve more typical of someone younger, another might have a reserve that’s already reduced. This is precisely why AMH testing exists: to give you your own specific data point rather than relying on age as a stand-in for it.
What Counts as “Low for Age”
Rather than a single number, low AMH is generally understood relative to what’s typical for your specific age bracket. A level of 1.2 ng/mL, for instance, would be unremarkable for someone in their late 30s but would be considered low for someone in their mid-20s. This relative framing is why a generic online AMH chart, without your age attached, can create either false alarm or false reassurance.
What a High AMH Can Indicate
It’s worth mentioning the other direction too — AMH levels notably higher than typical for your age can sometimes indicate polycystic ovary syndrome (PCOS), since PCOS is associated with a higher number of small follicles. A high result isn’t automatically diagnostic on its own, but it’s often considered alongside other findings like ultrasound appearance and symptom history.
Why Your Number Matters More in Context Than in Isolation
AMH is one piece of a larger picture, not a standalone verdict on your fertility. It’s typically interpreted alongside your age, an antral follicle count on ultrasound, your menstrual cycle regularity, and your actual family-building goals and timeline. The same AMH number can lead to a very different conversation depending on whether you’re 28 and not yet trying, or 38 and actively trying to conceive.
What to Do With Your Own Result
If you’ve had an AMH test and want to understand what your specific number means, the most useful step is a conversation with a fertility specialist who can place it against your age, your cycle history, and your goals — rather than comparing it to a general chart alone. AMH is genuinely useful information, but only when it’s read in the right context.
Frequently Asked Question
AMH is relatively stable across the menstrual cycle compared to other reproductive hormones, though some fluctuation between tests is normal. A single result is still generally a reliable reflection of your reserve at that point in time.
Not necessarily. Low AMH indicates a lower ovarian reserve than typical for your age, which can be associated with earlier menopause in some cases, but it isn’t a precise or guaranteed predictor of timing.
It can still be useful information, particularly if you’re weighing decisions like when to start trying or whether egg freezing is worth considering, since it gives you a clearer picture of your current reserve rather than relying on age alone.
There’s limited evidence that diet or supplements meaningfully raise AMH, since it reflects a finite, largely fixed egg supply. What supplements and lifestyle changes can influence more directly is general reproductive health and, in some cases, egg quality rather than reserve quantity.