It seems like things happen on her terms in this relationship. You weren't ready for a baby and but she was and it had to happen.
Why wasn't marriage discussed before planning the pregnant and you'd have known her views on it.
Sadly, I think if you and her should split, you won't see your child for dust. She's being very calculated and taking advantage of you /your nature.
People know what they can try and with whom they can try it. Unfortunately, that's life and please ignore the posters who are deliberately being nasty. They know who they are.
From here on in, I can see you'll have no say in the nursery, the school or any other major things in your child's life.
I knew a man in your position, he was a Doctor too. It didn't end well for him, because she was a user. I hope you have a better ending, but her control and dominance is evident to me from what you've said and I agree that she's waking all over you.
It's all well calculated, but I suspect you just can't see it.