See why the ovary − often reduced to its reproductive role − menopause, age and estrogen affect a woman’s health throughout her body and lifetime.

This stimulates multiple ovarian follicles to begin maturing. As the levels of FSH begin to drop, usually only one follicle continues to mature. This follicle releases estrogen, and estrogen ...

A mouse ovary treated with a high dose of anti-Mullerian hormone (AMH)—a hormone naturally produced by follicles in the ovary—shows more small, dormant follicles and fewer larger ones.

This important study reports that two distinct waves of ovarian follicles contribute to oocyte production in mice. The paper provides large amounts of data that will benefit future studies, although ...

Immature versions of the follicles in the ovaries are already present when a person is born, and at that time, they collectively contain roughly 700,000 immature eggs, or oocytes.

An artificial ovary may soon be possible, according to researchers who have engineered an ovarian “scaffold” on which early-stage cells can develop into functional follicles.

Primordial follicles, formed in the womb, make up the ovarian reserve, which is finite and nonrenewable. The ovarian reserve naturally declines across a female’s reproductive lifespan.

Graafian follicle, human ovary Flickr user Ed Uthman For some of the hundreds of thousands of women who are diagnosed with cancer each year, chemotherapy may be a particularly bitter pill to ...

Ovaries are filled follicles—these are immature eggs surrounded by sacs of estrogen and other essential hormones. "The function of the ovary is to shepherd these follicles through maturity into ...

Starting before birth, egg follicles begin trickling away like grains of sand. A fetus floating in the womb is bursting with as many eggs as she will ever have: 6 million to 7 million.