O

Oophorectomy:

Surgery in which one, or both, of the ovaries is removed.

Osteoporosis:

A condition in which a person loses bone mass and density, causing bones to become fragile or "thin."

Ovaries:

Small organs in the pelvis that produce a woman's female hormones and hold her eggs. Most women are born with two ovaries: one on either side of the uterus. The ovaries gradually stop producing estrogen as a woman enters menopause.

Glossary of Terms