http://www.addictinginfo.org/2015/08/05/the-pill-has-prevented-400000-cases-of-cancer-but-the-gop-wants-to-ban-birth-control/
"According to a study published Tuesday on The Lancet Oncology, some contraceptives do more than help the 88 percent of women who will use birth control at some point in their lifetimes reduce the risk of bringing an unwanted child into the world — they also assist in preventing cancer. As oral contraceptives “trick” the body into thinking it is pregnant, the amount of natural estrogen circulating in the body drops, which lowers the risk of developing uterine (endometrial) cancer."
