test results

For fertility reasons I had a chylmadia Amplifieed test done and it came back negative.  Now doctor is ordering a Chylmadia antibody test.  What is the difference between them?  And if the amplifieed was negative why order the antibody test?  If I was infected in the past could the antibody test come back positive even though the ampliffed test was negative?

[30something13]

Well I am not sure but the antibody test shows if you are more likely to catch it. If you had a positive one before I think he just wants to make sure it is not dormant and you still have it but it is not active. I have heard of people having it but not being treated wel enough and therefore they have the antibodies. Make since? I don't know much about this but this is what I have heard.