Who else has a family member they don't want around their baby?

I'm 17 weeks. I can't STAND that my biological "mother" (my great grandparents adopted me....so they are my REAL parents) is all giddy and acts like she cares about my baby. For 24 years she was never there for me. When I was little she never played with me, help my mom with money, help take care of me, cook for me....nothing. She was too busy being a crackwhore.

Only until this past year and a half she's been around since my great-grandmother(my real mom) passed away. She would normally deal with her. But I'm kinda stuck putting up with her now and assisting her with life decisions.

But I can't help that my blood boils at the thought of her touching my child and even acting like she cares. UGGH