can any one help my friend ask me this ques buut i dont no the answer she did a test and it was negative so she put it in toilet bin anyway later that day bout 5 hours later she emptyed bin into big bin and looked at test againg and she said it hd gone to a faint positve. but shes confused and wants to know if its a false positve?? i said i think it might be just cos its been left foe 5 hours so its prob false what do u ladys reckon. thanks for helping her ??