Mother in law, pregnant,not fiancially stable please help!

My husband and I are pretty young I'm 20 years old and his 23..I'm now pregnant we currently living in a rented place, unfortunately we cannot afford it anymore..well he does not want to move back to my fathers house because his a dick and I do not want to move back to his mothers house because she's a bitch...I feel like we should just split up then ugh! so what do I do?