Babies Daddy has been cheating..

I’m only 17 years old and 24 weeks pregnant, my boyfriend well now ex have been together for 3 years and have gone through many life changing things together.. i’ve been living with him for about a year now and he just left for work and told me i needed to move out in the morning before school because he found another girl .. i’m so hurt , i’ve done everything in my power to try to make him feel loved .. we haven’t really been having sex because i have previa and other major complications.. i don’t know what todo i’m so hurt right now