Originally Posted by F350
Wrong, wrong wrong-
Birth control pills work by interfering with the natural hormonal cycle of a woman, preventing the ripening and release of an ovum. Which is why women with a problem of developing ovarian cysts caused by failure to release ovums are prescribed birth control pills.
There are ingredients in many forms that prevent ovulation and implantation. Some only cover one or the other. I believe the first form was an implantation block but I could be wrong.