I can't tell you what to do regarding the test. I can only tell you that for me personnaly I would not take that test. If there was some other dianostic test they can do, like biopsy, I would do all else first. It would take alot of convincing for me. My problems were addressed without this test, after going to another physician. I am not a wimp, but this particular test is not one I would willing do, unless it was best doctor in the world, being compassionate and telling me how much I need it. Let them try this test first, and then tell you to go through with it. I am sorry not to be so brave, many others did just fine with it, and many others have had to endure so much more pain with diagnostics. I try all the others ways first, before submitting to painful procedures. I slide by all I can....well maybe I am a bit of a wimp. ginnie