The only situation where abortion is understandable is when the mother is in danger of dying because of giving birth to the baby. This happens in ectopic pregnancies, where the fetus begins developing outside of the womb. In this situation the mother can resort to abortion, because her life is in danger. The baby has a zero change of living also (Balanced Politics).
There are many legal arguments that support not having an abortion. A good example of a case is of Roe v. Wade, which allows abortion seven months into pregnancy. It violates the standard of legal reasoning. The Supreme Court made a decision on not to decide when life began. It overturned state laws that protected the unborn and has resulted in over 30 million abortions (roughly the population of Canada) in the United States. The Supreme Court clearly stated that it does not know when life begins and then violated the very spirit of this legal principle by acting as if it just proved that no life existed in the womb. A crucial role of government is to protect life. Government cannot remove a segment of the human population from its protection without adequate justification. For example," A hunter who hears rustling in the bushes shouldn't fire until he knows what is in the bushes. Likewise, a Court which doesn't know when life begins should not declare open