Perhaps I can answer your question. I catch flies and bring them outside when they are in my home. I also regularly go for walks outside. In doing so, I will step on ants, caterpillars, various plants, etc. Some of them surely die. In other words, I will show kindness to animals, but only to the point where it doesn't completely impede my life or my ability to find happiness.

When I think of abortion, I don't think of it as killing babies. I think of it as killing a collection of cells that some day perhaps might be a child. But it is not one. I don't see how one can say that a clump of 64 cells is a child, given that it has the potential to be one, but not also take issue with their sperm not fertilizing an egg. Isn't every sperm a potential child as well? On what point of the scale to you draw the line and say "this is now a child" vs "this is a collection of biological material that may become a child if proper conditions are met?"

I think the first trimester is a fairly decent cutoff.