How dogs have puppies?

My dog had puppies on 3 Dec 2009. How long before she will go into heat again?

How do I know when my dog has had her last puppy? Should she go to the vet if shes takeing too long?

How long does a take a dog to have her puppys for the first time

My new boy puppy is sucking on ma female dog' teets. She is not his natural mother. Is this ok?

Im trying to find out the kind of puppy dog gave beth on her birthday, I would like to have 1

How long will it take for a beagle to deliver puppies

how long does it take for my female dog to deliver her puppies? we already know shes pregnant for sure

I have a pregnant dog, & this is her second time. How can I help her taking care of the puppies..

Like she is getting bigger and her nipples are all poked out

how do I now when my dog is going to have her puppies and why is there water coming out of here