Abortion I am presenting a summary of a paper written by Judith Thomson on ethics of abortion. In this summary I will analyze her arguments in support of abortion and her distinction between moral obligation and supererogatory action, under the assumption that a fetus is a person. Thomson justifies the case for abortion by arguing that there are limits to the fetus’ right to life (i.e. there are more important rights at stake). I will summarize Thomson’s three cases for when abortions are justified: