Do I tell my mom if I’m not going to keep it?

I’m pregnant and we’re not ready for this life change 😞 I want to talk to my mom but I feel like it’s selfish for me to tell her if I’m not going to keep it, it will only make her sad. She considered an abortion when she got pregnant unexpectedly with my older brother. She is pro choice and a feminist, I know she would understand my decision but I wish I could talk to her.