Kat: I'm so sorry that this has happened again. I thought they had been scared silly by the last accident. But I think maybe it's not really an accident.
There is not much you can do but be positive & keep the baby in mind. The baby is your grandchild & never had any say in the matter.
I watch Teen Mom. It is so difficult for young parents. But maybe if you watch you can learn some helpful tips to make this easier. Those with parents who help have a much better shot.
I know this is not what you wanted but remember the Serenity Prayer & Lord - help you to accept the things you cannot change.