Q:

What is the difference between estradiol and estrogen?

A:

According to WebMD, there are three forms of estrogen hormones: estradiol, estriol and estrone. Measured via a blood test, estradiol is found primarily in women who are past puberty but are not pregnant, as well as in post-menopausal women. The other two forms, estriol and estrone, are both important steroid hormones that are utilized to measure pregnancy progression and menopause progression.

WebMD states that all three forms of estrogen are vital for female sexual development and function. Estrogen is a steroid hormone that causes women to develop breast tissue and start their menstrual cycle. All three forms of estrogen are produced in the ovaries in women who are not pregnant and by the placenta in pregnant women. Small concentrations of estrogen can also be produced by the adrenal glands in both pregnant and non-pregnant women.

According to Healthline, estradiol is a form of estrogen that is found in a woman’s bloodstream during puberty, during a woman’s menstrual cycle and during menopause. Estradiol is utilized in the body to develop the female reproductive system and keep it healthy. The hormone can also help control fat distribution in the body. Estradiol is also found in males. In men, it is produced in the testes and the adrenal glands, and it helps with both fertility and sex drive.


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