It isn't fair to the child to bring him/her into a relationship with no love- and at times like these you have to weigh your baby's best interests with yr own.
If yr sure yr boyfriend's not the one for you& you've made a mistake but can't face the possibility of abortions, I would advise you to have the baby and give it up for adoption.
You can of course be honest with yr boyfriend that you don't want a relationship with him but will welcome him as yr baby's dad- and you can bring up yr child as a single mom, and eventually meet someone you do want to be with. That can work too.
But in all honesty, if you do want to put the BABY first, children are better with a family of two united and married parents who love them. It's not easy going it alone; it can be done but it's not the best choice unless there's no alternative.
So, think it through carefully. Only you know in yr heart& mind what you want to do. Good luck.