This paper discusses the ethical and political issues that stem cell research faces. Stem cell research holds great promise for treating serious diseases but does so by using materials from the very beginning of life. There is a division among different sects of society as some see a important ethical principle being threatened, while others see scientific progress being threatened by religious beliefs. Medical technology brings the benefits we seek, but it also affects social arrangements. New technologies require that we reweave the threads of social life. It must find a home in our institutions, laws, thinking, and values. In this case, the technology has empowered women in substantial ways, giving them freedom from unwanted or unplanned pregnancies. It has also disconnected the traditional relationships among sex, reproduction, and marriage