As for the original topic:
I really think it depends on the situation, but "strong" versus "stupid" comes to mind in a lot of these situations.
I think any woman who makes her own decision
despite what others are forcing her to do is "strong". However, her decision may not be the
smartest choice. If you have no home, no income and no spouse, yes it may be "strong" to keep an unwanted pregnancy but it's really not smart.
I also think it is strong of a woman to abort despite the pressures of people around her. I'm trying to think of when this could be a stupid decision... Well, if she was say, 8 months along I'd consider that a pretty stupid decision but that's a little subjective so it doesn't really work.
I think a "weak" abortion would be a woman who aborts because the child is the wrong gender or something like that. O.o