Estrogen (American English) or oestrogen (Commonwealth English; see spelling differences) is a category of sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics. [1][2] There are three major endogenous estrogens that have estrogenic hormonal activity: estrone (E1), estradiol (E2), and estriol (E3). [1][3] Estradiol, an ...
Estrogen is a sex hormone that’s necessary for maintaining your sexual and reproductive health. Estrogen levels naturally fluctuate during different life stages and your menstrual cycle.
Estrogen is a hormone that both males and females produce. It plays a key role in the female reproductive system. Learn about sources of estrogen and its functions.
Estrogen is a sex hormone produced in both the male and female human body. It impacts more areas of health than you may realize, though the focus here is on estrogen in female bodies. For people assigned female at birth, the role of estrogen goes beyond fertility and sex-related functions.
Estrogen is a hormone that plays a role in sexual development, bone health, mood regulation, and more. Find out how fluctuating levels can affect you.
WebMD explains normal estrogen and testosterone levels in women -- and how they affect health and mood -- before and after menopause.
Estrogen, any of a group of hormones that primarily influence the female reproductive tract in its development, maturation, and function. There are three major hormones—estradiol, estrone, and estriol—among the estrogens, and estradiol is the predominant one. The major sources of estrogens are the
In addition to regulating the menstrual cycle, estrogen affects the reproductive tract, the urinary tract, the heart and blood vessels, bones, breasts, skin, hair, mucous membranes, pelvic muscles, and the brain.