NCIt definition : A synthetic, acetate derivative of the sex hormone progesterone. Medroxyprogesterone
17-acetate (NCI04);
Alternative definition : NCI-GLOSS: A drug used to prevent endometrial cancer. It is also used to treat menstrual
disorders and as a form of birth control. It is a form of the female hormone progesterone
and belongs to the family of drugs called progestins.;