Fertility & IVF

AMH Levels and Ovarian Reserve: What Your Results Really Mean

By the Find Her Doctor editorial team · Updated November 1, 2026 · 6 min read

AMH (anti-Müllerian hormone) is a blood test that estimates your ovarian reserve, meaning roughly how many eggs are left in your ovaries. It's good at predicting how many eggs you might get from IVF or egg freezing. According to ASRM, it is not a good predictor of whether you can get pregnant naturally, and a low number does not mean you can't conceive.

That last sentence is the one most people need to hear. A common scenario: someone gets an AMH result through a patient portal on a Friday night, sees a red "L" next to it, and spends the weekend convinced they're infertile. Let's slow that down.

What the test is actually like

There's nothing to prepare. It's a regular blood draw from your arm, the same routine as any other lab work, and it takes a few minutes.

• Any day of your cycle works. AMH stays fairly steady through the month, unlike FSH, which has to be drawn on day 2 to 4.
• No fasting. Eat breakfast.
• Results usually come back in a few days to a week, depending on the lab.
• Tell the person ordering it if you're on the pill, patch, ring or a hormonal IUD. Hormonal birth control can push AMH down a bit while you're using it, and your doctor will factor that in.

Many people get AMH as part of a broader fertility workup, often alongside a transvaginal ultrasound to count follicles. That ultrasound feels like a routine internal exam with a slim probe. It's usually done early in your cycle and takes about 10 minutes.

What is ovarian reserve, in plain terms?

You're born with every egg you'll ever have. The number drops steadily over the years until menopause. Ovarian reserve is the size of that remaining pool.

Here's the part that trips people up. Ovarian reserve is about quantity. Egg quality, meaning the chance that a given egg is chromosomally normal, is mostly tied to age. So a 30-year-old with low AMH may have better odds per egg than a 42-year-old with normal AMH.

AMH is made by small follicles (fluid-filled sacs holding immature eggs). More small follicles usually means a higher AMH.

The three ovarian reserve tests, side by side

ASRM considers AMH and AFC the most reliable markers of ovarian reserve, and doctors often use them together.

Why there's no single "normal" AMH level

Everyone asks for the cutoff. There isn't a universal one, for three reasons:

• AMH falls with age. What's typical at 28 is very different from what's typical at 40.
• Labs use different methods and units (ng/mL or pmol/L). A number from one lab may not match a number from another, so don't compare your result to a friend's or to a chart you found online.
• It can shift between tests and runs lower on hormonal contraception.

The better question for your doctor: "How does my result compare with other people my age, and does it change anything about my plans?"

Myth vs. fact: low AMH

Myth: Low AMH means I'm infertile. Fact: It means your remaining egg supply is likely smaller. It does not mean you can't get pregnant. In a well-known study of women trying to conceive naturally without known infertility, those with low AMH were not less likely to conceive over the following year than those with normal AMH. ASRM cites this kind of evidence when it advises against using AMH alone to predict natural fertility.

Myth: Low AMH means my eggs are bad. Fact: AMH says nothing direct about egg quality. Age is the bigger driver there.

Myth: AMH tells me when I'll hit menopause. Fact: AMH drops as you approach menopause and is usually very low near the final period, but research hasn't shown it's precise enough to predict the year for an individual person.

What low AMH can mean in real life:

• Fewer eggs per cycle of IVF or egg freezing
• A possibly shorter window to build your family, especially if you want more than one child
• Your doctor may suggest moving faster to treatment if you're already trying

What does high AMH mean?

High AMH usually means lots of small follicles. The two most common reasons:

• Polycystic ovary syndrome (PCOS). AMH is often elevated, and doctors may use it to support a PCOS diagnosis. It's one piece of the PCOS workup, not the whole diagnosis.
• Younger age.

During IVF, a high AMH can mean a stronger response to the stimulation medicines and a higher risk of ovarian hyperstimulation syndrome (OHSS). Your doctor may adjust the protocol to lower that risk.

Should I test AMH if I'm not trying yet?

Home "fertility check" kits and AMH panels are everywhere now, and plenty of people in their late 20s and 30s order one out of curiosity. The information can be useful, but it's easy to misread on your own:

• A normal AMH does not guarantee you can safely wait.
• A low AMH does not mean you need to panic or book IVF tomorrow.

If you're thinking about egg freezing or just want to plan, review the result with a clinician who can put it together with your age, an ultrasound and your history. Our egg freezing guide walks through what that process looks like.

Can you raise your AMH?

There's no proven way to increase the number of eggs you have. You'll see supplements marketed for "egg quality" or "boosting AMH"; the evidence behind them is limited. Ask your doctor before starting anything.

What actually helps protect reproductive health:

• Don't smoke. Smoking is linked to earlier menopause and lower fertility.
• Keep a healthy weight, and get thyroid disease or diabetes under control.
• Ask about fertility preservation before chemotherapy, pelvic radiation or ovarian surgery.

When AMH gets ordered

Your doctor may order it:

• During a fertility evaluation, along with an antral follicle count
• Before planning IVF or egg freezing, to estimate egg yield and choose medicine doses
• To help assess possible PCOS
• Before or after treatment that can affect the ovaries, like chemotherapy

Questions to bring to your appointment

• "How does my AMH compare with others my age at this lab?"
• "Do we also need an antral follicle count?"
• "Given my number, roughly how many eggs might one egg-freezing or IVF cycle get?"
• "If I want two or more kids, does this change your advice on timing?"
• "Does my insurance cover this testing?"

On that last one: New York has state insurance rules for infertility diagnosis and treatment, plus IVF coverage for many large-group plans. Our explainer on the New York IVF insurance mandate covers who qualifies.

When to see a doctor

See a fertility specialist or OB/GYN if:

• You have a low AMH and you're trying to conceive, especially if you're 35 or older
• You're under 35 and have tried for 12 months, or 35 or older and have tried for 6 months
• Your periods are getting shorter or irregular, or have stopped, before age 40
• You've had ovarian surgery, chemotherapy or pelvic radiation
• You want to talk through egg freezing

Hot flashes or missed periods before 40 deserve a check for primary ovarian insufficiency, not just an AMH result.

A reproductive endocrinologist can read your results in context. Browse fertility specialists in Manhattan or on Long Island in Nassau County.

Frequently asked questions

Sources

• ASRM — Testing and interpreting measures of ovarian reserve: a committee opinion
• ACOG — Female Age-Related Fertility Decline (Committee Opinion 589)
• ASRM — Fertility evaluation of infertile women: a committee opinion
• MedlinePlus — Anti-Müllerian Hormone Test

This article is for general education and is not medical advice. It does not replace an evaluation by a licensed clinician who knows your history. If you think you have a medical emergency, call 911.