Main content Estrogens

    Estrogens



    Results

    An estrogen test measures the level of the most important estrogen Reference hormones Opens New Window (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 Reference menstrual cycle Opens New Window.

    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 Reference 1

    Women before Reference menopause Opens New Window:

    60–400 Reference picograms per milliliter (pg/mL) Opens New Window

    Women after menopause:

    Less than 130 pg/mL

    Men:

    10–130 pg/mL

    Children:

    Less than 25 pg/mL

     

    Estriol in pregnant women Reference 2

    1st Reference trimester Opens New Window:

    Less than 38 Reference nanograms per milliliter (ng/mL) Opens New Window

    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:

    Low values

    Low values may be caused by:



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