Telling my mom

I just found out I am pregnant. I’m 17 I don’t live at home I just got a new job my boyfriend is very excited and happy about having a baby but the only person I’m worried about telling is my mother. Last year I got pregnant and she pretty much told me she would completely be out of my life and I would be living on the streets with no car or job. At that time I didn’t know my options and I let my mom choose abortion for me... I’m now a little older and in a much more mature relationship with a man who loves me and supports this pregnancy I just really need advice on how to tell my mom cause I’m so scared.😔