Origin of progestin

First recorded in 1925–30; pro-1 + gest(ation) + -in2
Also called progestogen. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

progestin in Medicine


  1. A natural or synthetic progestational substance that mimics some or all of the actions of progesterone.
  2. A crude hormone of the corpus luteum from which progesterone can be isolated in pure form. No longer in technical use.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.