Every one of them has died. Found first two dead a day later, one a day after that, then another one a day after that. I am confused and distraught. This is her third litter and the only litter where all of the pug puppies died. Can anyone tell me some reasons for their death? I am guessing they were born early, since they were all pretty small. But, pug puppies are small anyways. I have no clue to what went wrong.