Used to be pro-life

Let me start by saying I used to be very much pro-life. In fact, I used to argue with women on here I felt so strongly about it. But over the past few years my stance has changed. Situations happen. Life happens. Now there is a possibility of me being pregnant and I’m debating terminating. I’m basically in the midst of my relationship ending. He wants a child so bad. Unfortunately we’ve had many issues.. he is manipulative, controlling, suicidal at times, he’s also had a drug problem and he cheated.. I stupidly took him back. He’s just no good for me and I’m finally realizing. Still I am hesitant. I have a 3 year old I love more than life itself. (My bf is not his father - his father passed away). I just have a lot of overwhelming emotions. I’m afraid I’m going to regret it afterwards although I think this is the best choice right now considering how my bf is and I just got a townhouse with my son and I’m just getting by. Just need some encouragement and maybe some advice. Thank you!