So stressed

So this baby was not planned nor expected... My husband and I have not had the best relationship the last couple years... After our first who is almost 2 we decided to work on things and try make everything work.... Had been going better till lately. He says he can't stand me and wants to file for divorce. I'm 4+ months prego and don't need this right now.... He refuses to go talk with any sort of counselor with me. I just don't know what to do. I don't have the energy to fight or argue with him and don't need the stress for the baby's sake.... I don't want to do this alone either.... I don't have really anyone I feel I can talk to about all this either.... Just looking for some advice....