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I would suggest you still test her for diabetes. The smell withing two days is not normal. How much is she drinking? Diabetic urine does not always have the 'sweet' ketone smell it does when end stage. If she is early stage and drinking a lot and peeing a lot in a small house then it could be bad quickly. The nest needs checking as sleeping in wet bedding will make her develop urine burns and chest problems so it needs to be done.