Im a female, 29. As someone who absolutely does not want kids I actively wouldn't date people who wanted them. It's a deal breaker for me. It's one of the first things you discuss when you are dating as you get past mid-late twenties because there is a ticking clock for us ladies. Found myself a lovely bloke who doesn't want them just as much as me. We love being an aunty and an uncle but it's not for us personally. Mad respect to all you good parents.

I think you need to be honest. If it's something you don't want you need to put your cards on the table. If she desperately wants them then she deserves to have the time to go and find someone to have them with (or explore other avenues). It's not easy but neither of you should be forced to do what you don't want.