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ok i took a preg test and it was neg for like 15 mins then i left it in the car...

for an hour and now there is no line in the window at all like the test is messed up.....whats up with that is it bc it was left in the heat? and I know everyone is going to say just take another test well i am not going back to the store tonight so i want to know


Asked by Anonymous at 7:49 PM on Sep. 8, 2010 in Pregnancy

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Answers (10)
  • unfortunately i think you're gonna have to take another. i'm pretty sure if it was neg for 15 min, then it's a neg result, considering it's only supposed to take 3min to get an accurate result. i'm sure that the heat is what caused that...the urine probably evaporated a little bit, and those tests are/can be very sensitive...

    Answer by dlandrum at 7:52 PM on Sep. 8, 2010

  • Usually the instructions on them tell you not to read them after ten min...I've had pos tests and went back to look at them again they were blank.

    Answer by Finkette at 7:53 PM on Sep. 8, 2010

  • If it was negative for 15 minutes then it was a negative result. On the box there is a section that tells you to read the result as soon as the waiting period is up because after that the result can you a false result.

    Answer by colethky at 7:55 PM on Sep. 8, 2010

  • It was negative. After 10 minutes or whatever it becomes an invalid test. Whatever it shows in the alloted time is your answer.

    Answer by BradenIsMySon at 8:09 PM on Sep. 8, 2010

  • well the line is not ALL the way gone you can hardly see it at all

    Comment by Anonymous (original poster) at 7:50 PM on Sep. 8, 2010

  • op again-----there are two windows both are going to have lines if your not preg. if you are it would be a plus in the first window and a line in the second....if your not just lines mine the first window was a line you could see good and a line in the second saying i was not preg. but after i left it in the car now you can hardly see the line in the first window.......i am 2 days late and on the pill

    Comment by Anonymous (original poster) at 7:54 PM on Sep. 8, 2010

  • This is why the instructions say to not look at the test after a certain amount of time - time (and other things) do weird things to pregnancy tests that just get people flustered.

    Answer by 4time-mom at 8:00 PM on Sep. 8, 2010

  • Wait, you said it was negative then had a line or it had a line and disappeared if it has a line first and u forgot it in your car the yes it was positive if tht was ur original result if u left it neg and came bck to a line id count it as neg bc it was over an hr I once left a test and came bck to a dark purple lineand it was neg bc it was hrs over the limit I wasn't preg...take one tomorrow lol

    Answer by Kre10 at 8:08 PM on Sep. 8, 2010

  • if you read it and it was negative, then it was negative. you're supposed to throw it away after that because it will not be accurate

    Answer by princessbeth79 at 8:16 PM on Sep. 8, 2010

  • i dont believe you are pregnant. if you read it afer 15 mins then the test is considered invalid and if it was negative before then its negative but the fact that you are late means you should probably grab another test. hope its what you want!

    Answer by drdavenport at 10:23 PM on Sep. 8, 2010

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