I have had mouth sores for the last year. They are not painful and they are mostly very small. Some are the size of a pin head and white and others are small reddish marks on my gums and inside of cheeks and lips. I seem to get them just before my period. I have read online that some of the early symptoms of HIV are unusual mouth sores. I am am afraid to get tested for HIV because I don't have health insurance. I am looking into buying health insurance. If I tested positive for HIV befor I was able to purchase insurance would it be difficult to obtain good health insurance?