How should I proceed in this situation? My husband after childbirth tu…

How should I proceed in this situation? My husband after childbirth turned into a tyrant, constantly beating me up, blaming me for being a bad mother, and even raising his hand. He says that I'm no longer worthy of normal treatment because he endured me all his life, and now he's tired. Moreover, I live with his parents who drink heavily and constantly attack me, defending him when I have outbursts, also accusing me of being a terrible mother. I don't communicate with my parents and basically there is nowhere to go. When I suggested going to a psychologist, he said he would only go if they issue a statement saying something is wrong with me. I'm on the verge of a nervous breakdown, sometimes it seems