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Originally Posted by gracielove  One heat cycle is not going to bring on cancer. It is the repeated exposure of the dog to the hormones of the heat cycle that eventually can cause cancer in a mature dog.
If you have a tiny I would be more concerned about making sure you are not going to have retained teeth that will require another procedure that will require anesthesia and giving the little one a chance to mature physically.
The tiny tends to mature slowly and being slow growers they may not reach physical maturity until much later than a regular sized dog. Some studies are suggesting that spaying too early can actually be the cause of tumors and many other health issues that we are seeing in our pets. If you are interested in finding out more there are studies you can read about online in order to make your own decision.
Since you don't have a male dog that your female could be exposed to if she went into heat your situation is better than some I have seen arrive here at YT. |
Every heat they go through increases there risk of getting mammary cancer including the first heat. There are no study's done on small dogs just large dogs and large dogs are extremely different. When they say spaying to early they are talking about 5 months and earlier and like I have said there is no small dog study's to back that up. I do not think tiny dogs grow slower then an average sized yorkie. Even if you get the dog spayed at 6 months the vet knows which teeth are baby teeth and can pull them. I'm not a big fan of using scare tactics to try and get people to wait to long to get there dog spayed when there is no science to back it up.