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AMH: What to Know about Anti-Mullerian Hormone

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If you’ve started exploring fertility testing or treatment, you’ve likely encountered the term “AMH” in conversations with your healthcare provider.

Anti-Müllerian Hormone (AMH) testing has become a cornerstone of fertility assessment, but understanding what your results mean—and what they don’t mean—can feel overwhelming.  At Open Fertility, we believe that knowledge is empowering. That’s why we’re breaking down everything you need to know about AMH testing in clear, straightforward terms, so you can make informed decisions about your fertility journey. 

Summary:

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What Is AMH? 

Anti-Müllerian Hormone (AMH) is a protein produced by the small follicles in your ovaries. Think of these follicles as tiny sacs that contain your eggs. The more follicles you have, the higher your AMH level will be. Essentially, AMH serves as a window into your ovarian reserve—the number of eggs remaining in your ovaries.  Unlike other hormones that fluctuate throughout your menstrual cycle, AMH levels remain relatively stable, making it a reliable marker that can be tested at any time during your cycle. 

Why AMH Testing Matters 

Your AMH level provides valuable insight into several aspects of your fertility.

01
Ovarian Reserve Assessment
AMH helps estimate how many eggs you have left. While you’re born with all the eggs you’ll ever have, this number naturally declines with age. AMH testing gives us a snapshot of where you stand. At your consult, your provider will test your AMH levels to better understand what treatment options are available for you. 
02
Treatment Planning
If you’re considering IVF, your AMH level helps your fertility team predict how your ovaries might respond to stimulation medications and plan treatment accordingly.
03
Egg Freezing Decisions
For those considering egg freezing, AMH testing can help determine the optimal timing and expected outcomes of the procedure. Our egg calculator can also help you understand potential outcomes based on your age and individual factors.
04
Timeline Considerations
While AMH doesn’t predict when you’ll reach menopause, significantly low levels may suggest that time may be a more pressing factor in your family-building plans.

AMH and Age: What to Expect

AMH levels naturally decline with age, but this decline isn’t uniform for everyone. Some women maintain higher levels longer, while others experience earlier declines. Here’s what’s typically expected:

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  • 20s: AMH levels are generally at their highest 
  • 30s: Gradual decline begins, with more noticeable changes after 35 
  • 40s: More significant decline as menopause approaches 

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  • 20s: AMH levels are generally at their highest 
  • 30s: Gradual decline begins, with more noticeable changes after 35 
  • 40s: More significant decline as menopause approaches 
*Remember, these are general patterns. Your individual AMH journey may look different, and that’s completely normal. 

Ready to Get Started? 

Fertility care should fit a patient’s life, not drain their savings. Now that the factors behind clinic pricing are clear, patients can compare options with confidence and find a provider that delivers real value.

Fertility Perservation
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Alex Myron
Author
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Natalie Crump, PA-C
Medical Reviewer
Last Review Date: 06/22/26
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