Pyometra can be 'open' or 'closed.' In an open pyometra, the uterus’ entry remains open, and you can see pus or blood coming out of your dog's vulva. In closed pyometra, the uterus is shut ...

Dogs that are spayed early in life are less likely to develop a disease called pyometra, which is a potentially fatal infection of the dog’s uterus. Fortunately, if caught early, most dogs will ...

although we usually see it in older dogs. The first signs of a pyometra start two to eight weeks after a heat cycle. Signs you may see at home depend on whether the cervix is open or closed.