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August 3rd, 2009, 11:16 AM
daisycraft-dot-com daisycraft-dot-com is offline
Join Date: Aug 2009
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Blood tests, just like urine tests, work by detecting HCG levels. Blood tests are much more precise and can tell you the exact number of HCG mIU/ml in the blood. Even with the most sensitive blood test, it is still possible to be pregnant with a negative test.
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