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Understand Androstenedione

Androstenedione

Hormone markers

What the test generally measures, and what to ask about it.

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Updated Jul 13, 2026

What is Androstenedione?

A hormone your adrenal glands and reproductive organs make as a building block for testosterone and estrogen.

Androstenedione is a precursor hormone, meaning the body uses it as raw material to make sex hormones like testosterone and estrogen. Higher levels can be associated with conditions that raise androgen activity, such as polycystic ovary syndrome or certain adrenal gland disorders, and in women may relate to symptoms like acne or extra hair growth. Lower levels can be associated with reduced adrenal or ovarian hormone output. It is an extended hormone test read alongside other androgen measurements and your symptoms.

This glossary entry is for informational purposes only and is not a substitute for professional medical advice. Read our Terms of Use.

References

"Androstenedione Test" Testing.com / Lab Tests Online (ADLM). www.testing.com/tests/androstenedione.

About our sources

Clinical / professional

Medical societies, specialty colleges, and professional associations whose consensus statements reflect clinical practice standards.

Peer-reviewed research

Original research articles and systematic reviews published in indexed journals and verified through PubMed or DOI.

History of updates

Published · Jul 13, 2026
First published, written and independently fact-checked against the cited sources.

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