NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,942 terms related to cancer and medicine.
- listen (proh-JES-teh-rone)
- A type of hormone made by the body that plays a role in the menstrual cycle and pregnancy. Progesterone can also be made in the laboratory. It may be used as a type of birth control and to treat menstrual disorders, infertility, symptoms of menopause, and other conditions.