Modern Vet on Instagram: "🐾 What is Pyometra? 🐾 Pyometra is a serious, life-threatening infection of the uterus that can affect unspayed female dogs. It usually happens due to hormonal changes after a heat cycle, causing the uterus to fill with pus. Without emergency treatment, pyometra can lead to sepsis, kidney failure, or even death. There are two types: 🔹 Open pyometra – vaginal discharge is visible. 🔹 Closed pyometra – no discharge; the infection is trapped inside, making it even more d