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.
A female dog is pregnant for 9 weeks (63 days) from the time of the first breeding. If the pups are born before the 57th day they usually don't survive. She may also go a few days later then 63.