DogCareTips

How Long Does a Female Dog Stay in Heat?

Understanding the Canine Estrous Cycle The canine estrous cycle is the reproductive cycle of female dogs. It consists of four stages: proestrus, estrus, diestrus, and anestrus. Each stage is characterized by specific hormonal changes and physical symptoms. During proestrus, which typically lasts for 9 to 10 days, the female dog’s estrogen levels start to rise, and the ovaries begin to…