Re: surgery and speech
That is odd. We had the opposite outcome. My son was barely talking before he had his tonsils out and now he is saying parts of tons of words. We have also noticed that his color is better, he has better eye contact, he is more alert and engaging. He is also a much better eater now. (My son refused to drink after his surgery and we ended up back in the hospital with an IV for fluids for 4 days. That was quite an ordeal!!)
Hopefully your daughters setbacks are just temporary. Good luck.