Feb 8, 2022 · Estrogen is a sex hormone that’s necessary for maintaining your sexual and reproductive health. Estrogen levels naturally fluctuate during your menstrual cycle and decline during menopause.

The actions of estrogen are mediated by the estrogen receptor (ER), a dimeric nuclear protein that binds to DNA and controls gene expression. Like other steroid hormones, estrogen enters passively into …

Apr 22, 2025 · In this article, we look at estrogen in more detail, including how it works, what happens when the levels fluctuate, and medical uses.

Oct 14, 2025 · 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. …

Nov 21, 2025 · 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.

Sep 14, 2025 · Estrogen is one of the primary female sex hormones, and it serves an important function in both reproductive and overall health. Estrogen supports many important processes, from the …

Estrogens are a group of hormones that play an important role in the normal sexual and reproductive development in women. They are also sex hormones. The woman's ovaries make most estrogen …

Dec 26, 2025 · 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, …

Discover what estrogen is, how it works, and why it matters for people of all sexes. Learn about estrogen types, production, functions, and life cycle changes.

Estrogen is the primary sex hormone in females, a steroid molecule produced mainly by the ovaries. It is fundamental to sexual and reproductive development throughout life. The hormone’s influence …