Estrogens

Estradiol, Estriol

What Affects the Test

Reasons you may not be able to have the test or why the results may not be helpful include:

  • Hormone replacement therapy after menopause.
  • Birth control pills, patches, or rings and other forms of hormonal birth control.
  • Having a test that uses a radioactive substance, such as a bone scan, within 1 week before the test.
  • Medicines, such as clomiphene (Serophene, Clomid) or steroids (for example, prednisone).
  • High levels of sugar in the urine caused by 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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Topic Contents
 Test Overview
 Why It Is Done
 How To Prepare
 How It Is Done
 How It Feels
 Risks
 Results
Arrow PointerWhat Affects the Test
 What To Think About
 References
 Credits