The debate as to whether abortion should be legal or not has been a long-standing issue, and it is not going to go away anytime soon. And what about the religious argument? Many religious individuals swear that abortions are an evil act. But are they?
Rape
If a woman is raped, and becomes pregnant shouldn't she have the right to abort the fetus? Put yourself in her shoes. Would you want to be constantly reminded that you were raped? Every time that woman would look at that child she would probably(at least on some level) remember her horrifying ordeal. Some women could overcome this, and they would choose to have the child. And good for them. But it is understandable if a woman would want an abortion in this case.
Life or Death Situation for the Mother
What if the mother's life is at stake? If the mother decides to become pregnant, but it turns out that she'll die if she has her child then doesn't she have the right to choose whether or not she should keep the baby/fetus? Or what if having the baby will kill them both, but having an abortion would save the mother's life? It would be awful not to have any say in that type of situation.
What if it Happened
Let's say that America goes back to making abortions illegal. What would happen then? Some women with money would travel to other parts of the world where abortions are legal. And some women would simply break the law, and find someone to perform an abortion for them in the United States. Others, would simply attempt to rid themselves of the child on their own. This creates risk for both the woman and the child.
And then some women would just have the child and throw it in the trash after it was born. Or leave it on someone's doorstep. This is what would happen if we elected to make abortions illegal. And yes, some women would give the child up for adoption. But many wouldn't.
The God Card
Many religious people seem to think that God(s) is against abortion. The honest answer is that it's unlikely that anyone really knows how a divine entity thinks(assuming they exist). You may have your holy book that seems to suggest that such and such is an evil act, but that doesn't mean it is so.
And there is no way to know whether or not what you're reading is really what was said thousands of years ago. Perhaps something was mistranslated throughout the ages or never said to begin with. I'm not saying that you're wrong for thinking that your God(s) despises abortions, I'm just saying you might be.
A woman should have the right to decide whether or not she wants to keep a child. If women were to lose that right then they might take drastic measures, which would probably cause more harm then good. Just let the mother decide.