Of course there is. But we see product liablity as a significant barrier to contraceptive reasearch. We feel marketing such a product would lead to excessive lit igation. The pills, if taken within three days of unprotected sex, prevent a fertilized egg from implanting itself in the uterus and growing into an embryo. The pills have a 75 percent success rate.
Pregnancy begins with a fertilized egg.
This is not a contraceptive. Roderick Mackenzie, president of Gynetics, said such statements don't worry him. It's supported by every medical and women's organization in the country. There are no safety or ethical problems with this product. He would not say how much Gynetics has invested in the product, nor would he comment on product development or advertising plans.