Hormone Inhibin A

What Affects the Test

Things that may affect your test results include:

• If you smoke. This may increase the level of inhibin A in the blood.
• If you are obese. This may decrease the level of inhibin A in the blood.

The results of the quad screen, including inhibin A, take into account a woman's age, race, weight, and whether she has diabetes.

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Author:	Sandy Jocoy, RN	Last Updated: May 14, 2008
Medical Review:	Sarah Marshall, MD - Family Medicine Siobhan M. Dolan, MD, MPH - Reproductive Genetics
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