Surgeon: Abortion Ups Breast Cancer Risk, Pregnancy Helps Lower It Washington, DC (LifeNews.com) -- A prominent breast cancer surgeon and professor has written a new article for a medical publication saying that abortion increases a woman's risk of contracting breast cancer. On the other hand, miscarriage has no effect while a full-term pregnancy lowers the breast cancer risk. http://www.LifeNews.com/nat5441.html