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Estradiol Test

  • Direct-to-consumer lab testing; No doctor referral or insurance necessary

  • 4,500+ conveniently located CLIA-certified U.S. labs

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About Our Estradiol Test

Note: Fasting is not required for this test.

The test measures the amount of the hormone estradiol in the blood. Estradiol, a form of estrogen and in women, is mostly released from the ovaries and adrenal glands.

This test is the most common way to measure levels of estrogen for non-pregnant women.

In women, estradiol plays a key role in:

  • Growth of the uterus, vagina and Fallopian tubes
  • Changes of the outer genitals
  • Breast development
  • Distribution of body fat

In men, small amounts of estradiol is released by the testes to prevent sperm from dying prematurely.

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