Well, in the book, Bella doesnt seem to mind in the end that Jacob has imprinted on her child. In the beginning though, when she finds out, she's kind of upset about it.
And then, there's the fact...
Well, I personally don't think that would be possible since she won't age anymore after a certain time. So I think it wouldn't be possible for her to have children. But that's just my thought on the...