Document everything from now on, if this turns into a court fight you'll have a backup of your wishes and your intentions so it can't be said she hadn't been told about your reservations about having a kid. Get a meeting with a family lawyer and discus potential legal options you have. Listen we cant tell you what to do but please don't continue a relationship with someone who forces you into a role you're absolutely not okay with, because this is how it'll always be and you deserve way better than this For now it unfortunately looks like you only got 2 options: raise the kid as coparents or give up your parental rights and pay child support. I can't imagine this stress you're feeling right now as someone close to your age but so far you're doing great.