Stressful Conditions
According to the article, animals typically experience trauma and stress when living in rescue shelters. Pregnant dogs naturally experience a greater risk than the rest. Shelters should help dogs, but sometimes the exact opposite happens.
Realizing How Dangerous The Situation Is
Mariesa and Chris kept doing some more research about it. Not only could Storie lose the puppies, but it could also be the end for her. Traumatized pregnant dogs typically do this if they feel that their puppies would only be in danger.