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Q: Faulty Preg Test ?
asked by: Lilithsm on June 20th, 2007
New User, Becoming EHEALTHy
Okay, so I took a pregnancy test yesterday. I waited for the lines to show up. They showed up and it said negative. Today I found it in the garbage and it showed up positive. Is it possible that after a 24 hour period the dyes would show up or something?
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mc4ever02 replied on June 20th, 2007
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Re: Faulty Preg Test?
Lilithsm wrote:
Okay, so I took a pregnancy test yesterday. I waited for the lines to show up. They showed up and it said negative. Today I found it in the garbage and it showed up positive. Is it possible that after a 24 hour period the dyes would show up or something?


Yes, it is possible that after 24 hours that the dyes would show up. This would happen regardless of the accurate results. This is called an evaporation line. When the fluid has evaporated from the strip it will leave behind a mark where the antibodies are on the strip (where you would see a second line). that is why the results are only valid in the time frame written in the directions any result that you get after the time limit (normally 10 min) is invalid. You have to get a second line within the time frame for it to be considered a positive test.

Your test is negative.

If you have doubts about this being correct you can test again in a week.
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