I went no contact with my mother 22 years ago. It was, in hindsight, absolutely, the very best thing I ever did for my recovery.
Interesting thought came to me as I wrote that though...
My father who was divorced from her at the time, but suffered more of her abuse than anyone, used to push me to talk to her every time I called him. Finally found the words to use that he could understand: "No one, absolutely no one, gets to do to someone I love what she has done to you and still have a place in my life. No one. She doesn't have to love you. She doesn't have to like you. But you will treat the people I love with respect out of your love for me. If you can't love me that much, then I have no place in my life for you."
It worked. Dad got it.
But you know...as I've come to love myself, I realized that I didn't need dad. It would have been completely reasonable to go NC because of the lack of respect she showed me. Because no one, absolutely no one, gets to do to someone I love what she has done to me and still have a place in my life. No one.