On the topic of abortion, you have a problem of conflicting rights: the right to choose to be a parent vs the right to life.

I find it hard to conceive of any situation in which the right to choose should supercede the right to life.

Abortion advocates often justify their position by dehumanizing the victim, thus negating the right to life. But dehumanizing the victim puts you on the same moral footing as Heinrich Himmler. I don't think it's a valid position.