I got my ex pregnant and now she acts like we are in a relationship?

My ex broke up with me last year because she found out I was still seeing my ex and I just was not ready for a relationship at the time we started talking again 4 months ago we have became friends and now she’s pregnant I have been been coming around a lot to be there for her during her pregnancy But she’s continues to accuse me of seeing other women and says I’m using her for sex We got into a argument yesterday about her accusing me of “cheating” while we are not in a relationship now she’s telling me she doesn’t want me around for our child and won’t let me come to any of her appointments will she eventually let me come around?
I got my ex pregnant and now she acts like we are in a relationship?
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