I’m sorry you are going though this. It’s so stressful waiting to know if there is a puppy for you.
A few things:
The breeder might just be busy with the puppies or their regular job\life. Puppies are a LOT of work! Not all breeders give constant updates either. Some post on Facebook a lot and some never do. Maybe look her up or her kennel on Facebook? also, if you are buying from a show breeder you need to understand that they have to wait until the puppies are old enough to evaluate before they pick home. They need to pick the best puppies to continue their program and might not be responding until they know for sure they have a puppy for you. I don’t know where you are on their waiting list but it could happen that they don’t have enough pups for the amount of people on their list.
I don’t know if I know the breeder but if she’s one who was recommended maybe try reaching out to the person who recommended them? They may know them personally and be able to contact them on your behalf.
Good luck ️. I’ve been in your daughters position. She will get her perfect puppy someday just like I did.