Can AMH Levels Diagnose PCOS? The Latest Research Says No

Polycystic ovary syndrome (PCOS) is a common hormonal disorder that affects women of reproductive age. Diagnosing PCOS can be challenging, as it involves a combination of clinical and ultrasound findings. A recent study published in Fertility and Sterility throws light on the use of anti-müllerian hormone (AMH) levels in PCOS diagnosis.

Let’s break down what researchers found and what this means for understanding and managing PCOS.

The Rotterdam Criteria for PCOS Diagnosis

Currently, the gold standard for PCOS diagnosis is the Rotterdam criteria. This includes the presence of at least two of these three features:

• Oligo- or anovulation: Irregular ovulation or infrequent periods.
• Hyperandrogenism: Excess androgens (male hormones) in the blood. This can manifest as acne, hirsutism (excess hair growth), or male-pattern baldness.
• Polycystic ovarian morphology (PCOM): Appearances of multiple small cysts on an ultrasound of your ovaries.

While ultrasound is crucial for confirming PCOM, many women find transvaginal ultrasounds invasive. This has led to exploring AMH as a potential alternative diagnostic tool for PCOS.

AMH as a Potential Diagnostic Biomarker – A Study’s Findings

AMH is a hormone produced by the ovaries that reflects the number of developing follicles. While AMH levels can be altered in PCOS, studies have been mixed on its effectiveness in diagnosing the condition.

This recent systematic review and meta-analysis examined 82 studies on the relationship between AMH levels and PCOS diagnosis, as well as PCOM detection.

Here are some key findings:

• Moderate Sensitivity and Specificity, but Not a Standalone Test: AMH levels showed moderate sensitivity (80%) and specificity (87%) for diagnosing PCOS. This means that while AMH can be helpful, it’s not a foolproof test on its own.
• Heterogeneity in Results: There was a significant variance in study results, indicating that AMH’s diagnostic accuracy may vary depending on factors such as the population studied and the cut-off point used for AMH levels.
• Better for PCOM Detection: AMH levels were more accurate in detecting PCOM (79% sensitivity, 87% specificity) compared to diagnosing PCOS overall.

Important Conclusion:

Researchers concluded that AMH levels alone should not be used to diagnose PCOS. While they can provide some useful information, a comprehensive assessment incorporating clinical symptoms, hormonal testing, and ultrasound findings is essential for a proper PCOS diagnosis.

1. Van der Ham K, Laven JSE, Thien Tay C, Mousa A, Teede H, Louwers YV. Anti-müllerian hormone as a diagnostic biomarker for polycystic ovary syndrome and polycystic ovarian morphology: a systematic review and meta-analysis. *Fertility and Sterility*. 2024;122(4):727-739.
2. Gibson-Helm M, Teede H, Dunaif A, Dokras A. Delayed diagnosis and a lack of information associated with dissatisfaction in women with polycystic ovary syndrome. *J Clin Endocrinol Metab*. 2017;102(2):604-612. doi:10.1210/jc.2016-2963

Facing challenges with PCOS symptoms? Consult a healthcare professional for personalized advice and management strategies to optimize your well-being.