An email with a link to:
was emailed to:
Thanks for sharing About.com with others!
How Jurassic Park Lied to Us About Dinosaur CloningWhat Did Freud Really Believe about Personality and the Id&#...College Interview QuestionsSingular Indefinite ArticlesThe10 Hottest Psychology Career Trends
By Anne Marie Helmenstine, Ph.D.
Progesterone belongs to a class of steroid hormones called progestogens. In humans, it is involved in the female menstrual cycle, embryogenesis, and pregnancy.
Anne Marie Helmenstine, Ph.D.
©2014 About.com. All rights reserved.