If this post is genuine in detail, this sound harsh, but you need to consider sorting yourself out, dumping your boyfiend, NOT dating, and NOT getting pregnant, again, until you are emotionally, financially, and spiritually prepared to place the well being and needs of another human being before your own.
To terminate a pregnancy is a very personal and private matter - most often a desperate decision based upon many factors. Using abortion as a method of birth control and relationship manipulation is something that will require professional attention.