Toxic relationship

Okay so I’ve been with my husband for 3 years and we have a two month old and this relationship has been so draining and he’s verbally abusive and he’s very controlling and he doesn’t let me do anything without his permission he gets mad over little things and yells So loudly at me and just hurts me I’ve lost 25 pounds from being so stressed with him he doesn’t let me leave him bc he tells me he’ll take the baby away from me bc I don’t work. And I just want to get out of this relationship can anyone help me I’m in the state of ca if anyone know can help please