That's actually one of the biggest reasons to oppose restrictions at that point in pregnancy. Women who get abortions that late in a pregnancy almost always have exceptional situations, either medical or personal, and as you said, would be harmful. It's kinda like what the Utah governor said about the trans sports bans, there's so few of them and they're doing their best to work things out, that treating the situation with compassion rather than anger and prohibition makes the most sense (though sadly, they then overrode his veto, passing law that screwed over like 4 children in the state, at that time).