Help me Please!!!!!!!?

Ok so I tihnk I have Chlymedia... I got in probally in 5th or 6th grade its a little i dont know how to explain it... its something rite under my hole... and well I've been scared that its Chlymedia. I've had about four times people have checked my two times for a sport physicals the other two i had kideny stones. They never said anything about it. Then when i had didney stones i had them blasted out so they had to stick sumtihng up there still they never said anything... Im scared ot death I'm still a virgin and plan on it til im married... I do masturbate and i do reamber One tnight i was jumping on my tramp nacked in 5th or 6th grade and my mom come out so i hid in the gr i was down low enough for my to touch the gr so maybe that did it... plz help me out