• 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…

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