- Of course I've heard of an ectopic pregnancy. However, you cannot compare that to killing in self-defense, because that implies the unborn child is attempting to both kill the woman in deed and spirit. There are two components to a crime that must be proven to legally convict (actus reus and mens rea, physical act and mental act). Nobody can prove the unborn child actually wanted to kill the mother by implanting in the incorrect part of her reproductive system, therefore the argument that the abortion is self-defense IS indeed logically flawed.
Anyways, here's an NCBI article that sort of breaks down the Catholic position on ectopic pregnancies.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6161225/
The TL;DR, if you're lazy, is that any procedure undertaken with the intention to both save the woman and the child (as can be done with ectopic pregnancies), but could very likely result in the death of the child, is morally sound. It's called the principle of double effect. Abortion is different because the intent of the procedure is to end the viability of the fetus. That provides the mens rea component of a crime, entirely different from the double effect principle.
- "That's not essentially what I'm saying." That IS what you're saying. You are putting yourself in a position of power over this developing human being purely because you are more developed than it. If you didn't think this way, if you thought every embryo was equal to you in terms of its intrinsic rights, you wouldn't support destroying it and its future as a fellow human.
- "You're assuming it doesn't die naturally before that point." Well duh. Miscarriages, tragic as they are, happen quite often despite the mother not wanting them. That's not an excuse to justify intervening ourselves and inducing abortions, which as I noted earlier carry a mens rea element of being intentional.
- No you never said it was alive...I was just telling you to save your fingers if you were going to tell me the fetus wasn't alive and that didn't make abortion wrong. Again, we know that if allowed to live on it will be just like you and me, because all of us were once just like it. It is a human being and therefore it has human rights.
[See my reply to this for further rebuttals.]