i had unprotected sex in second week of april, and couple times in may with the same girl, and only once in june , and it was on 16th i got tested negative in june 18th, then i heard that i have to be tested 3 months after exposure, i was so scared all that period of time after i got the resulte, untill i decided to get tested again in july 28th, again test was negative..do i have to wait untill the16th of september and get tested again or is those results i got already are enough...please help....thank you