While there are some outward signs of pregnancy in dogs, it’s hard to find out whether a dog is pregnant without veterinary tests, especially in the early stages, as many medical issues result ...

So what, if there is any, is the science behind this ... She jokes that signs from your pup should not be used in lieu of a pregnancy test. Do dogs dream?: Here's why they may be dreaming about ...

During heat, which happens every six months or so and lasts a few weeks, your dog can get pregnant. Spaying your dog prevents pregnancy, lowers her cancer risk, and may even lengthen her lifespan.