The worst thing a parent could do to a child

To me the worst thing a parent could do is killl their child. When a parent kill their child it's sad because there other thing they could do. A parent could give the baby up for adoption, leave it at a hospital, police station, anything other than killing it. The baby didn't ask to be here and it was the parents choice to have the baby. I cant think of not one thing that would make a person kill a baby. Unless the person was crazy to begin with, even then that doesn't excuse killing a baby. Yeah babies cry and it gets irritating but how does that lead you to killing your baby? I dont see how a person could do something like that. If I did something like that I couldn't Live with myself.