"The Pill manufacturers and many in organized medicine are mainly con-cerned about the Pill's medical side effects and its effectiveness in preventing pregnancies and are less concerned about how the drug achieves its effectiveness. Unfortunately, many "otherwise" pro-life physicians and pharmacists find it hard to admit that these abortifacient properties exist because they would have to discontinue prescribing and dispensing the Pill if they were to remain consistent in their respect for life at all its stages of development. Pro-abortion organizations and their lawyers readily admit the early abortion potential of the Pill. In February 1992, writing in opposition to a Louisiana law banning abortion, Ruth Colker, a Tulane Law School professor, wrote, "Because nearly all birth control devices, except the diaphragm and condom, operate between the time of conception...and implantation.., the statute would appear to ban most contraceptives." In 1989, attorney Frank Sussman argued before the U. S. Supreme Court that ". . . IUDs (and) low dose birth control pills. . . act as abortifacients.""