One thing that I do know is that a person cannot be claimed as unfit to parent due to their financial situation. Has he used that threat with you, at this point?
There's no harm in making a plan starting now to look out for yours and your baby's future. Leaving is something that need not be of an urgent nature.
I've been in a predicament, myself. The accusations began during my second pregnancy. Not responding immediately to any text or phone call was a hair trigger that was much like living in the twilight zone. That experience during that pregnancy started the wheels spinning for me. Turbulent times, indeed.
You are stronger than you realize. And being pregnant opens up a world of resources that you may not have known of before.
Have you contacted your local community center to see what services can be made available despite your credit woes?
Therapy can be helpful. Maybe a licensed social worker can help you navigate your desire to love your boyfriend but your realization that he's demanding attention from you in ways that doesn't place you in a place of compassionate consideration? His demands seem a little self centered, would you agree?