My dog has been on her heat cycle for 30 days and still bleeding what could be the cause?

A normal heat cycle for a dog typically lasts between 10 and 14 days, with the bleeding phase usually lasting for about 7 to 10 days. If your dog has been bleeding for 30 days, it's important to take her to the vet as soon as possible. There could be several potential causes for this, including:

- Prolonged estrus: In some cases, a dog's heat cycle may last longer than normal, which can lead to prolonged bleeding. This can be caused by hormonal imbalances or other underlying health conditions.

- Pyometra: Pyometra is a serious infection of the uterus that can occur in unspayed female dogs. It is characterized by the accumulation of pus and blood in the uterus, which can lead to prolonged bleeding.

- Other health problems: Other health conditions, such as uterine tumors or cancer, can also cause prolonged bleeding during a dog's heat cycle.

It is important to have your dog evaluated by a vet to determine the cause of the prolonged bleeding and to receive appropriate treatment. The vet may recommend spaying your dog to prevent future heat cycles and the risk of developing pyometra or other health problems.