First ... stop beating yourself up. You now know and will clearly do whatever you can to advocate for her needs. She is 7, which is still young. Lots of people on this board didn't know when their children were toddlers. It's what you do with it after you figure it out.
Second ... if you have read Ruf's book you might jump to the conclusion that early talking is a requirement. (Not saying you specifically, but more for anyone else who stumbles upon your post.) Ruf points out the characteristics of toddlers who align with gifted, but this does not make it absolute. Every child is different and develops in different ways.
