I agree with the other mummies...you will have to make a decision without your bf in the picture. He has shown himself to be completely unreliable and disinterested in having a child, and it is sadly, very clear that he does not love you as well. You will have to be strong enough to make the decision on your own, whether you choose to stay, keep the baby or abort. There is no shame in choosing any of the choices, but you will have to live with it, and none of it will be easy to bear.
I wish to add that even though this guy does not treat you well, it does not mean that you are worth any less, nor are you not worthy to be loved. You are infinitely precious, please remember that you deserve to be respected and loved.
Jiayou. I wish you happiness, and hope that you'll choose the best path forward.