Re: 1 positve then 2 negative tests?

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On Saturday morning my wife took an EPT pregnancy test and it was positive, then Sunday afternoon took another Ept test and it was negative, then Monday morning took another EPT test and it was negative. Please help me to understand these results and what they mean. Thank You

Dear Carl, There could be several reasons this could happen, ranging from using more concentrated urine/more sensitive test(1st test, which was done in the morning), followed by less sensitive tests and/or less concentrated urine(2nd test was in the afternoon)which might not register the presence of HCG early in pregnancy as it might take a week longer to get a positive result with a less sensitive test or weak sample. The Positive test may have detected a recent pregnancy or chemical pregnancy/miscarriage with declining levels of HCG. Some factors may interfere with tests causing false-positive or negative results. Is your wife on any medication Rx or OTC? You can repeat the test in a week with first am urine or see a doctor and get a blood test to confirm pregnancy or pursue any health issues. It's frustrating but I hope this helps. Marie

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