Читать книгу Bioethics - Группа авторов - Страница 39

In this essay, it has been argued that the correct ethic of the wrongness of killing can be extended to fetal life and used to show that there is a strong presumption that any abortion is morally impermissible. If the ethic of killing adopted here entails, however, that contraception is also seriously immoral, then there would appear to be a difficulty with the analysis of this essay.

But this analysis does not entail that contraception is wrong. Of course, contraception prevents the actualization of a possible future of value. Hence, it follows from the claim that if futures of value should be maximized that contraception is prima facie immoral. This obligation to maximize does not exist, however; furthermore, nothing in the ethics of killing in this paper entails that it does. The ethics of killing in this essay would entail that contraception is wrong only if something were denied a human future of value by contraception. Nothing at all is denied such a future by contraception, however.

Candidates for a subject of harm by contraception fall into four categories: (1) some sperm or other, (2) some ovum or other, (3) a sperm and an ovum separately, and (4) a sperm and an ovum together. Assigning the harm to some sperm is utterly arbitrary, for no reason can be given for making a sperm the subject of harm rather than an ovum. Assigning the harm to some ovum is utterly arbitrary, for no reason can be given for making an ovum the subject of harm rather than a sperm. One might attempt to avoid these problems by insisting that contraception deprives both the sperm and the ovum separately of a valuable future like ours. On this alternative, too many futures are lost. Contraception was supposed to be wrong, because it deprived us of one future of value, not two. One might attempt to avoid this problem by holding that contraception deprives the combination of sperm and ovum of a valuable future like ours. But here the definite article misleads. At the time of contraception, there are hundreds of millions of sperm, one (released) ovum and millions of possible combinations of all of these. There is no actual combination at all. Is the subject of the loss to be a merely possible combination? Which one? This alternative does not yield an actual subject of harm either. Accordingly, the immorality of contraception is not entailed by the loss of a future‐like‐ours argument simply because there is no nonarbitrarily identifiable subject of the loss in the case of contraception.