Abortion (When is ethical if ever to terminate a pregnancy?)

Virtues are essential in human life. There are four cardinal virtues: prudence, temperance, justice, and fortitude. Do human beings have these virtues even though abortion could or couldn't be ethical? My thoughts are the following. I personally oppose to non-pro creative sexual activity, which this leads me to view masturbation and oral sex. In the other hand, I strongly support abortion if the sexual activity consisted of a violation or rape. If, the pregnancy was created by normal sexual activity, I obviously can't support abortion, meaning that abortion, in this case, is not ethical at all. But why do I support abortion when the pregnancy was by violation? This is because the mother, after all, will always have the concern that gets her thinking, "my child was created by a raper." This is the reason why I think sometimes abortion is ethical. I also believe that there is another state, that is worse than a violation case, which is coitus interruptus, also known as a birth control technique, meaning that men interrupts his ejaculation far from the his female partner. In the other side, I strongly condemn all sexual positions, other than the missionary position. So, based on my views, is abortion ethical or not? Once again, I only support abortion when the sexual activity was focused on a violation or coitus interruptus. I think that abortion is NOT ethical when the sexual activity is based on normal sex. Preventing abortion when it isn't ethical is a goal by a lot of philosophers, just like me.

-Thomas Aquinas (Nathalie Wolozny)