A: The hook effect is a rare occurrence in pregnancy tests. It happens when the woman has very high levels of pregnancy hormones in her blood or urine. The antibodies that pregnancy tests use become overwhelmed and fail to bind to the hormone. Due to this, the result comes back negative... See more
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Hai.... My last period was in feb 24. I tested in 40 th day morning 3:30 .. That is faint line .. I conculed mylo thz app also.... And I asked tha dr wait for 3 to 5 days ... Im also waiting ... Then I test today 4:15 test is sooooo faint ... And I feel in ma body no pregnancy symptoms. What can I do .