Also found in: Dictionary, Thesaurus, Wikipedia.
a progestin used in treatment of abnormal uterine bleeding, amenorrhea, and endometriosis and, in combination with an estrogen, as an oral contraceptive.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A progestational agent used in certain birth control pills.
Medical Dictionary, © 2009 Farlex and Partners