ladyjane - Sounds like this little girl was small and had an owner that had no clue what she got her dog into. This drives me so crazy - people breeding and having no clue. She should have been helping her mama yorkie to work with the contractions to get the pups out. If the mama quit contractions - a c-section is needed (puppies are way too large for the mom to birth normally). But the vet there would have to have this owner say okay - too many risks for a law suit - reason the vet propbably could not do anything without the owner giving permission. She probably was shocked when they gave her a quote on the cost of a c-section.
So many people are breeding their yorkies because they think that it would be so "cute and fun" to have puppies! Yikes!
I am sorry but this is no reason to have pups! Period! And there is so much to it than this - A Lot More! So many people too buying yorkies just because they want to breed them and thinking it would be so easy to sell the pups since they are popular. Wrong! It is sickening to me, no consideration for the dog.
At least I am trained - I was a vet tech, but for the other people out there with no training, no mentor - they have no clue what risks they cause for their yorkies by breeding. This is one breed that this should be left to the pros.
For the OP (I am so sorry of your loss of Gigi) and know how sad you would be if you lost another one of your yorkies. I would just have your girl now spayed and love her. I am glad that you asked our opinions and for advice on this topic instead of just going ahead and breeding your girl. At least you are informed now of the dangers and that testing should be done as well as having her evaluated (yorkshire terrier standard).