So depressed

My medication is working for anxiety and depression for the most part. But today I went to the er with pain. I am almost 16 weeks and I just want to cut. My husband swore the cheating was only emotional well I found pictures to prove otherwise. She was in my house. I am so alone and depressed and no matter what anyone says I have no one ... I want to cut but I don't want to hurt the baby .. Guess it's good I see my therapist tomorrow