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    Estrogens

    How It Feels

    You may feel nothing at all from the needle puncture, or you may feel a brief sting or pinch as the needle goes through the skin. Some people feel a stinging pain while the needle is in the vein. But many people do not feel any pain or have only minor discomfort after the needle is positioned in the vein.

    Risks

    There is very little risk of complications from having blood drawn from a vein.

    • You may develop a small bruise at the puncture site. You can reduce the risk of bruising by keeping pressure on the site for several minutes after the needle is withdrawn.
    • In rare cases, the vein may become inflamed after the blood sample is taken. This condition is called phlebitis and is usually treated with a warm compress applied several times daily.
    • Continued bleeding can be a problem for people with bleeding disorders. Aspirin, warfarin (Coumadin), and other blood-thinning medicines can also make bleeding more likely. If you have bleeding or clotting problems, or if you take blood-thinning medicine, tell your health professional before your blood is drawn.

    Results

    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.

    Estrogen levels in blood 1

    Women before menopause:

    60-400 picograms per milliliter (pg/mL)

    Women after menopause:

    Less than 130 pg/mL

    Men:

    10-130 pg/mL

    Children:

    Less than 25 pg/mL

    Estriol in pregnant women 2

    1st trimester:

    Less than 38 nanograms per milliliter (ng/mL)

    2nd trimester:

    38-140 ng/mL

    3rd trimester:

    31-460 ng/mL

    WebMD Medical Reference from Healthwise

    Last Updated: March 12, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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