And adopted children will grow up with parents who wanted them.
Well, this does not seem to be enough; it might be a question of mentality, cos here in France abandonning your child is really frowned upon - so much so that we are the only country in the world, I believe, to give women the possibility to abandon their child "under X", i.e. anonymously, which means the kid will never be able to know who their mother was, let alone their dad, but then that's very common! (unfortunately).
I happen to have worked with kids who'd been abandonned, and a very high proportion of them were seriously troubled kids. Even when they grew up in a loving family, which in fact is the minority of them (it is so hard to have a French kid adopted here, that parents "buy" their kids from Africa or Asia!).
Also, the delay to have an abortion in France is very short - 10 weeks - which leaves some women with no option but to have the kid, or go to a foreign country with more liberal laws
if they have the money; just to show you that abandonning your kid is not seen as an honourable option here: the number of babies (unwanted ones), that are killed AT BIRTH, by their desperate, usually very young, mothers is very high here.
So I'll repeat what has been said: abortion, not a good solution, but one that is certainly not the worst.