Definition of lowâpressure. 1  1 : having, exerting, or operating under a relatively small pressure. 2  2 : easygoing.
Today some vets will spay/neuter at eight weeks of age, while other adhere to the old practice of six months of age. The average age at which pets are spayed or neutered is four months. Adolescent cats and dogs as young as five months can get pregnant.
Like people, dogs are pregnant for three trimesters, each about 21 days long. Here are a few ways to tell if your dog is pregnant: Early Signs. In the first few weeks, there are very few outward signs, so you may not notice a change. Your dog will seem like her normal self, although she may gain some weight.