My roommate... my miscarriage

I got pregnant from my ex and I moved in. We both wanted to be there for the baby. We were actually good friends before this. When I found out we had just gotten back from his birthday trip. He didn't come home tonight and he won't answer. He's never done this to me. I'm by myself right now having a miscarriage and im in excruciating pain. My heart is so broken from the miscarriage. I hate him so much right now.