To me this is 100% negative but my friend help it under a light and days she can see a slight dark line in the middle, i can't see it at all just paranoid now! thoughts anyone?

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Like you, I don't see anything. Your friend probably saw the antibody strip, which contains gold, reflected by the light.

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I don't see anything either. But if your questioning it I would test again in a couple days.

Let's Glow!