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  1. #1
    Scrub is offline Member
    Join Date
    Apr 2005
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    504

    Question Getting Blood Work Done

    I have a question about blood work. I am going to get my blood work done on monday and was wondering if anyone knew the difference between free and total testosterone ? If so do you know how sexual activity before the test will effect them? I was told not to have sex a day before the test. Any help would be appreciated. Thanks for your time.

  2. #2
    busster is offline Associate Member
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    Apr 2005
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    southwest
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    152
    i went for a testosterone blood test this week myself.. i called the clinic the day before to see if there were anything not to do, eat drink sex ..etc.. they said no ???

    jim

  3. #3
    Scrub is offline Member
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    Apr 2005
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    504
    Any suggestions? Anybody else get this done?

  4. #4
    stupidhippo is offline Anabolic Member
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    Serum free testosterone is what is available to tissues to be utilized. It's amount is about 2 % from the total concentration, the rest is bound mostly to SHBG (sex-hormone-binding-globulin). The amount of free testosterone is what has the most diagnostic value... I think....pretty sure... 2 lazy 2 check

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