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Estrogens - Results
About this test
- Test Overview
-
Health Tools
- Why It Is Done
- How To Prepare
- How It Is Done
- How It Feels
- Risks
- Results
- What Affects the Test
- What To Think About
- References
- Credits
An estrogen test measures the level of the most important estrogen hormones (estradiol, estriol, and estrone) in a blood or urine sample.
Results are usually available within 24 hours.
Normal
For girls and women between puberty and menopause, estrogen levels vary throughout the menstrual cycle.
The normal values listed here—called a reference range—are just a guide. These ranges vary from lab to lab, and your lab may have a different range for what’s normal. Your lab report should contain the range your lab uses. Also, your doctor will evaluate your results based on your health and other factors. This means that a value that falls outside the normal values listed here may still be normal for you or your lab.
Women before menopause: | |
|---|---|
Women after menopause: | Less than or equal to 20 pg/mL |
Men: | 10–50 pg/mL |
Children: | Less than 15 pg/mL |
1st trimester: | Less than 38 nanograms per milliliter (ng/mL) | |
|---|---|---|
2nd trimester: | 38–140 ng/mL | |
3rd trimester: | 31–460 ng/mL | |
Many conditions can change estrogen levels. Your doctor will discuss any significant abnormal results with you in relation to your symptoms and past health.
High values
High values may be caused by:
- Ovarian stimulation used to treat infertility (for example, before in vitro fertilization).
- Cancer, such as cancer of the ovaries, testicles, or adrenal glands.
- Serious liver disease (cirrhosis).
- A pregnancy with more than one fetus, such as twins or triplets.
- Early (precocious) puberty.
Low values
Low values may be caused by:
- Problems with ovarian function, which can be caused by a failure of an ovary to develop properly (Turner's syndrome) or because of a drop in pituitary gland activity.
- Anorexia nervosa.
- Menopause.
- A problem with the fetus or placenta during pregnancy.
| By: | Healthwise Staff | Last Revised: May 6, 2010 |
| Medical Review: | Sarah Marshall, MD - Family Medicine Adam Husney, MD - Family Medicine Kirtly Jones, MD - Obstetrics and Gynecology | |
© 1995-2011 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.
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