Most Helpful Guy
IMO, you're going to be just another single mother. You're lucky you'll be able to get child support no matter what your ex says/thinks/believes. It's totally vital to have a respectful and healthy relationship with your ex because your child will absolutely need his/her father. If you're lucky you will find some other dude to marry, who will hopefully accept you and your baggage. Your ex too.
Another scenario. Your ex breaks up with his current Girlfriend and decides to marry you because "it's the right thing to do". Things can turn into the relatively happy family thing but odds are that marriage will ultimately end up in divorce.
So the path is clear: You and your ex raise this child together or separately.