thread: Can a blood test be wrong?

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  1. #1
    BellyBelly Member

    Mar 2007
    Perth
    2,088

    Can a blood test be wrong?

    After a Dr's visit last week it was determined that I've recently had a chemical pregnancy. I am still waiting for my period to start. So I've obviously put all chances of being pregnant behind me and havent been thinking about it. However this morning I have woken up with HUGE boobies (well huge for me anyway lol) and they are tingling like mad. I am also still very tired. My blood test however came back negative. I am just worried about the chances of an ectopic pregnancy, due to my history. Has anyone ever had a blood test that was wrong???? DH & I are of the understanding that blood tests are always accurate. Then there is the worry of it being an ectopic that isnt showing. SO OVER THIS!! Any info appreciated.

  2. #2
    BellyBelly Life Subscriber

    Feb 2006
    melbourne
    11,462

    maybe your levels where low enough to indicate a neg. but it may have been too early! do you have any HPT??

  3. #3
    BellyBelly Member

    Mar 2007
    Perth
    2,088

    No, but I was thinking of buying a test. I just dont want to get my hopes up. Chances are its nothing. I would now be just over 6 wks surely it would have showed in a blood test. I'm just so confused!!!!!

  4. #4
    Registered User

    Apr 2008
    Castlemaine
    436

    My best friend had a blood test which came back negative, but after a couple of months of no AF, she took a HPT test - and it was positive! She was pg all along, which she was really shocked about as she thought blood tests were meant to be the most accurate. So I guess anythings possible! GL!

  5. #5
    BellyBelly Member

    Mar 2007
    Perth
    2,088

    Thats what I thought too. Oh well will try not to think about it and see where I am in another week or so.

  6. #6
    Registered User

    Jan 2008
    Country Victoria
    1,991

    If they did a pregnancy blood test only, they would have tested for a yes or no answer. Pregnancy is only detected if your levels are over 10 or 20miu.

    If you get a HCG test done this will show your actual levels and be more accurate at showing if you are in fact pregnant.

    If you do test to early, like a HPT a blood pregnancy test without checking HCG levels can come back incorrect.

    Best of luck.

  7. #7
    Registered User

    Jun 2007
    ...not far enough away :)
    1,413

    I'm not sure on all of the facts, but I had blood test done early on in my pg as I wasn't well & it came back negative but levels were higher than usual so she ordered another test. In the mean time I got a HPT (3 actually) & they all came back positive. That was at about 5wks.