You gotta understand it's not exactly an easy decision for a parent to make to simply part from their child. Especially if they've been waiting for them for the entire nine-months.
Most parents love their child unquestionably. That's why you see some parents bailing their trouble-making adult-kids out of jail all the time. Maybe, it would have been best for the parent to give up the kid since it likely won't be a happy child -- but asking the parent to just have her child killed, regardless of its symptoms, is heartless.
It's best not to rage over this matter. Be thankful you simply don't have to make that decision. At least, yet.