I would appreciate some guidance from experienced dog breeders please.

Our lovely Shih Tzu surprised us by having her pups approx 7 days early yesterday. It was a very emotional day as the 1st pup had deformed front legs and a hair lip and cleft palate and the 5th was stillborn (also cleft palate), She has 3 healthy pups who are feeding well though, and she is being a BRILLIANT mum.

I'm a bit concerned because she is panting quite a lot - it is a hot day here, but not sure if she needs taking to the vet. She wants to be left alone though, so I would prefer not to take her unless its necessary.

Can anyone offer advice please?
Many thanks
Maggie