Does Progesterone Cause Cancer?

http://www.drannagarrett.com/2015/07/does-progesterone-cause-cancer/

Many people, including regulatory agencies and members of the medical community, make the mistake of thinking that progesterone and synthetic progestins have the same potential for adverse effects. This erroneous thinking is the root of women’s concerns that progesterone causes cancer. It’s also why some states require labeling on progesterone that suggests that natural progesterone products may increase the risk of cancer.