I do not see any blue-green color in the test area. What does it mean?

No trace of a blue-green color in the cross indicates that, at the time of your test, there was no detectable blood in the stool. However, some conditions may not cause bleeding all the time. Even though the test results come negative watch out for symptoms such as diarrhea or constipation lasting longer than two weeks, unexplained weight loss, visible blood in the stool and dark black stool. If you have any symptoms that concern you, consult your Physician - even if your test result is negative.

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