I think it all depends on the bread of dog. I have a Pomeranian and her last litter she was in labor for about 5 hours, she was very restless and was continuously looking for somewhere to "nest"
2 hours
Please re-write that so it is not gibberish
5 days..
for a long time
12 to 24 hrs
cleary depends on what size, how big stomach is, and how old the dog is.
A dog can have false labor especially when you frighten it.
It depends... It can be 4 hours or 1 day
depends
no one knows
Some durable dog chews that last a long time include bully sticks, antlers, and nylon bones.
63 days