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what is a false positive on a preg/blood test

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Asked by Anonymous at 11:01 AM on Feb. 3, 2009 in Trying to Conceive

Answers (2)
  • There are no such things as false positives, seeing as the blood test and urine test both only turn positive after detecting the hCG Hormone. Generally if a woman suffers a "false positive" it means she may have had a chemical pregnancy (where the egg fertilizes, but does not implant or it fertilizes, implants and then dies). Some women will also have a "false positive" if they are using some fertility drugs that contain hCG in them.

    Answer by littlemrsmarcel at 11:35 AM on Feb. 3, 2009

  • I agree, I don't believe in false postives. There has to be HCG in the blood/urine in order to get a positive response and there is only HCG when you are pregnant! If you are reading the test stick after the recommended amount of time then you can sometimes see evaporation lines and confuse them for positives, but they do not mean you are pregnant.

    Answer by AlliO2 at 1:26 PM on Feb. 3, 2009

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