Diagnostic tests

Estradiol blood test

Estradiol is a type of estrogen, a hormone that plays a key role in the female reproductive system. A estradiol blood test measures the level of estradiol in the blood. This test is often ordered to help diagnose and treat conditions related to abnormal estrogen levels in the body, such as polycystic ovary syndrome (PCOS) and menstrual disorders. It can also be used to monitor hormone therapy in people with conditions such as menopause or breast cancer. The estradiol blood test is usually performed on a sample of blood taken from a vein in the arm.

This page is provided for educational and informational purposes only and does not constitute the provision of medical advice or professional services. The information provided should not be used for diagnosing or treating a health problem or disease, and those seeking personal medical advice regarding any of the tests and conditions referenced above are advised to consult with a licensed clinician. Always seek the advice of your qualified health provider regarding a medical condition and do not disregard professional medical advice or delay in seeking it because of any information on this page. If you think you may have a medical emergency, immediately call 911 or go to the nearest urgent care center or hospital.

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