Fewer animals living in the streets and being put to sleep Helps reduce the chance of a male dog getting testicular canceror a female dog getting ovarian, cervical or uterine cancer. Unaltered pets have a need to dig holes at fences or jump gates to findanother animal to mate with. Dogs that are pregnant can be expensive.The mother requires regular checkups, higher quality food, and supplemental vitamins.Possible birth complications could be life threatening.Babies need regular checkups and preventive medication. If the owner is unable to find homes for the puppies, many times they are dumped off at a shelter.The overpopulation never ends. There are so many homeless animals that might never get a home.But there is hope, we can all do our part by spraying and neutering our own petsto help reduce the population of unwanted animals.