You're definitely not alone. I can relate too. I was SA by my mother.

I know it is so so hard to trust and connect with other women. Plus there's this added stigma and shame attached to it because it was another woman abusing a girl. I haven't told anyone other than 2 people because I am so sure that people wouldn't believe a mother could do that.

For me, what has been most healing (though VERY VERY difficult) is connecting with a safe, well-trained female therapist. I know not everyone can go down that road, however. The transference is unbearable at times. But ultimately, it's been worth it.