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Can a blood test be wrong??

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Mommy2be366

Asked by Mommy2be366 at 1:11 AM on Oct. 31, 2010 in Pregnancy

Level 3 (16 Credits)
Answers (4)
  • Not unless they mix it up with someone elses...
    Musicmom80

    Answer by Musicmom80 at 1:13 AM on Oct. 31, 2010

  • As a general rule, blood tests for pregnancy are more reliable than urine or home pregnancy tests. But they can be wrong. That means, they can show false negative or false positive results in some women.
    mommy_bink

    Answer by mommy_bink at 1:14 AM on Oct. 31, 2010

  • I believe it is highly unlikely.
    Luisa621

    Answer by Luisa621 at 2:07 AM on Oct. 31, 2010

  • Blood Test Results:
    Blood tests performed at a doctor’s office tend to have a 98 to 99 percent accuracy rate. These tests can be conducted seven days after you ovulate (which is about a week before your period is due) and still provide accurate results.

    As with urine pregnancy tests, it is possible to end up with false results (both negative and positive) from a blood pregnancy test.

    •False negative results (test is negative, but you are actually pregnant) usually occur if the test was performed too early. This is because there may not be enough hCG in the blood to detect a pregnancy.


    •False positive results (test is positive, but you are not pregnant) may appear if you are taking a medication that contains hCG.


    ladyambition

    Answer by ladyambition at 2:38 AM on Oct. 31, 2010

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