Hi, Can I Answer Your Health Question? Please Type Your

Hi, can I answer your health question? Please type your question here... i took an std test and my doctor said i was negative and clean yet when i get the results where the column where it says chlamydia trach. Amp, gonerrhea (sorry if i mispeed that) the results goes in the order of Negative, positive, negative. Amp/positive, what does amp mean?