| Re: HPV detection in a smear
It is entirely likely that the virus was there, causing damage for 3 years. It just wasn't detected. This could be because the virus wasn't present OR, more likely, the viral load wasn't high enough to be detected by the test. The pap is only a screening tool, not a definitive test. The pap (or an HPV test) only samples part of the cervix, not all of it.
I hope that helps.
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