Grandmother rights??? :/

Bella

So this is quite personal for me but I do need a little advice. I won't go into detail simply because of how person it is.

Anyway. My mother was apart of sexual abuse towards myself and my sister. It all happened under the age of 16. It is currently under investigation (which another reason I can't go into detail) she also has had my sister taken away from her for forcing her into something. There was proof which unfortunately only lead to the child welfare being involved.

Point being, my "mother" and I don't talk. She knows I am pregnant and I have refused all rights having anything to do with the pregnancy or the child's life just as any other parent or parent to be should and would.

She has stated on numerous occasions that she will be taking me to court for grandparent rights. Is it possible at all that she could win? I am reasonably worried and if anyone has any advice I would appreciate it.