How do I know when my dog is gong into labor?

I have a stud dog here. When will I know if he succeeded in making my dog pregnant

My dog is a crazy but friendly dog. but she wont stay in the gate. I got my first ticket... what do I do?

My dog is toward the end of her pregnancy and is getting horny she won't stop humping

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

my dog temp keeps going down and up. What does this mean?

How can I tell if my dog is going into labor? And if another dog(boy dog)snif's the other dogs (girl dog)butt does that mean ...

my dog is being really grumpy and is starting to growl at the kids .how do I know if he is hurt or sick?

how can you tell when the dog is done haveing all her pups

How long does a female dog stay in labor?

How do you know when they go into labor and are about to give birth?