Will a female dog eventually stop having heat cycles as she ages?
I am not here to scold you for not spaying her, you have her in a totally protected environment so pregnancy is not an issue. But what is a big issue is that she is getting older and that puts her at great risk to develop a uterine infection called Pyrometra, older dogs get this often and it is very serious and can even be deadly. She also stands a much greater chance of getting mammary cancer due to long term exposure to hormones in her body (I lost one just this way that was not spayed, it was when I was young and before I was a vet tech) The heat cycle does not stop in dogs like it does in humans. She is actually at more risk of getting either mammary cancer or Pyrometra than she is by have the surgery. She is just now entering the geriatric stage and anesthesia is safe for her. Even if she were older, the benefits of spaying far out weight the risk. The vet will probably suggest some blood work since she is geriatric so that he can determine how well her organs are functioning. The
