He made it, he has an obligation to it. If you dont think this is the case, you are not a man, you are a little boy and worthy of no respect what so ever.
But, legaly speaking, there is a foothold for this. You can argue that what the woman can choose, the man should be able to choose as well. If he wants her to abort, and she doesn't, he still has to pay for the kid. Cant handle that? Should have pulled out, bitch. While fucking, theman has more control over conception then the woman. She dont know your done untill your done. If you knock her up, it's your own damned fault.