“Most medical organizations define pregnancy as beginning with implantation. By this definition anything that prevents implantation is still considered contraception, including oral contraceptives. However, life begins when fertilization occurs, so many Christians would consider oral contraceptives an abortifacient — a drug that causes a very early abortion. These medical facts have been controversial because many Christian doctors prescribe OCs and many Christians take oral contraceptives without full knowledge of this information. This is not an accident. Pharmaceutical companies downplay the abortive mechanism to keep Christian women buying their products. ” Read more here.