May 13, 2011
1st time t to the clinic i had a blood test i was called by my ob stating that there are two parts to the test one part came out positive and the other part negative i went in i was told not to worry that the 1st band to appear was positive all the other bands were negative she then called a specialist who seen this b4 in pregnancy and said not to worry but should i really be worried only the first band to appear was positive all the others were negative they did mention more testing....im freaking out plllzzzz help
| Response from Dr. Frascino
Without actually seeing which tests were ordered and what the exact results are, it's difficult for me to comment. I would guess you had a reactive (positive) screening ELISA test and negative confirmatory Western Blot (WB) test. A positive ELISA combined with a negative confirmatory WB test is considered a negative HIV test.
If for some reason you had a positive WB and negative ELISA, this would mean your tests were ordered inappropriately. WB tests should only be run to confirm a positive ELISA (or EIA or rapid) test. If the WB was run in error and is positive with a negative ELISA, the WB result would be considered a false positive.
Finally I should mention pregnancy (or past pregnancy) can produce nonspecific cross-reacting antibodies that can cause false-positive (or indeterminate) HIV-antibody test results. You can read much more about pregnancy and HIV testing in the archives of this forum. Have a look. I'm confident you'll find the information reassuring.
Good luck. Be well.
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