I had a miscarriage and no support

Hey…. I’m 20 and got pregnant last month but lost my baby at six weeks. I didn’t want the baby in the beginning but it really hurt when the miscarriage happened (and not physically). The father doesn’t believe that I had miscarried because he doesn’t believe I was pregnant. People tell me to be happy and not think too much because I never really wanted to have a baby. But I feel terrible, like it was my fault my baby left me. I feel like I shouldn’t have thought of what I did, probably my baby would still be here with me. I never got to see their face, to know their gender, to hold them……. I feel like shit. Am I alone?