What is the difference between the blood
pregnancy tests and the urine pregnancy
tests that you get at the doctor? Is one
more sensitive than the other?
The first difference between blood and
urine test is that blood-based pregnancy
tests are more sensitive than urine-based
pregnancy tests. The second difference is
that urine-based pregnancy tests are
qualitative, which means that they only
detect the presence of the human chorion
gonadotropin hormone (HCG), or don't.
Blood-based pregnancy tests are
quantitative, which means they can MEASURE
the level of HCG if it is detected. By
measuring the level of HCG present in the
blood, a doctor can evaluate a
pregnancy’s development.
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This page was last updated on June 11, 2008
