How can I help a puppy Birth?
Getting the Pup out?

Depends of the cause for obstruction. Generally, supposing the puppy is lying in a central position, you should pull him carefully and softly downwards, with the mother standing or lying at one side. Do not pull between contractions, on the contrary, handle the puppy during this time. Puppies are not so susceptible to the lack of oxygen like human babes, but time is critical in delivery process, and may cause quickly brain damages if they don't get the appropriate oxygen soon.

What to do after dog delivery?