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A member asked:
I believe i am pregnant, my lmp was dec 10. blood test on jan 13 was negative. my last pregnancy also did not show positive until 6 wks. why?
A doctor has provided 1 answer
Insensitive test: Every commercial pregnancy test as a threshold of HCG present in your urine that will convert the test to positive. It is not zero. Thus blood pregnancy tests are more accurate as ANY HCG can be detected no matter how small.
Answered 1/17/2015
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