If you knew someone who was addicted to drugs and just found out she is pregnant what would you do?

I happen to know someone that is addicted to drugs, thrives on abusive relationships, is bulimic and lies about everything. Oh….and now she is pregnant. I’m worried about this child she is carrying. Why do I know someone like this you ask? She is my cousin. I’m afraid for her future and the hell she is putting her mother through as well. My cousin has been given every opportunity in life to succeed and has refused to take advantage of them. As her cousin what is my place? What do I do or say? Help….!