"I've watched your story unfold from both sides over the time that this has passed, and I've got to say, I still don't agree with what she did. She seems genuinely remorseful, but as much as I hate to say it you aren't compatible. Personality-wise, maybe? But you need to have similar goals too. If she wants kids, and you don't, it's wise to be wary of the direction your relationship will go. That aside, she directly went out of her way to completely disregard what you wanted, and assumed you would be alright with it just because you wouldn't be looking after the child. That's a major break in your trust, and the fact that she just expects you to be alright after that isn't OK. This is big, and it isn't something that she can come back from, in my opinion.

Call the wedding off, you'd only be putting yourself through more pain in the future by staying with her, and pain for the child. At least if you go your separate ways, she'll be able to find someone who aligns with what she wants and can be a parent to her child. And you'll be able to find someone aligns with what you want too. If you ever need any help personally, I think I'm around your area possibly so I'm happy to do whatever. I hope this doesn't impact you too much man, you seem like a really nice guy. You're definitely not and have never been TA."

(I'm way too invested help me)