How to check estrogen levels in female

What is an estrogen test?

An estrogen test measures the level of estrogens usually in a sample of your blood, but sometimes in urine (pee).

Estrogens are a group of hormones that play a key role in female reproductive health, including puberty, menstruation, pregnancy, and menopause.

Estrogens are also important for heart, bone, and brain health in males and females. But males need estrogen in much smaller amounts.

There are many types of estrogen, but only three types are commonly tested:

• Estrone, also called E1, is the only estrogen that females continue to make after menopause.

  Menopause is the time after menstrual periods have stopped for a year.

  Estradiol vs estrogen lab test

  Males and females make estrone in the adrenal glands (glands that sit on top of each kidney), and in body fat. In females, the ovaries (the glands that contain eggs) also make estrone.

• Estradiol, also called E2, is the main estrogen in nonpregnant females of childbearing age.

  It's mostly made in the ovaries and is important for fertility (the ability to get pregnant). It also helps support brain and bo

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