Obviously this is very tough moment for you. No one here can fully understand your pain and sadness. But you can count on everyone's support.
Just remember one thing: that Man is the one forcing you into this situation. He is the one to be blamed for whatever consequences of the your decision. It is not your fault, ABSOLUTELY.
You will need a lot support after abortion, including professional conseling service. Go find an attorney. You will see you have more right than you thought. Ask your attorney negotiate with him first before the procedure.