Positive: Distinct color lines appear on the
control and test regions. Both test line and control line indicate that you are
pregnant. Color intensity of the test lines may vary. A faint color line in the
control region within the specified time frame indicates a pregnancy. Different
stages of pregnancy have different concentrations of hCG. A grey shadowy line that could show up around the 10 minute time limit could be an evaporation line and should not be considered a positive!
Negative: Only one color line
appears on the control regions. No apparent line on the test region. There is no
Invalid: No control line appears. Re-test with another test strip.