What does the control line in a pregnancy test do?
My girlfriend recently took a pregnancy test with a negative in the results but the control line never showed up. What does the Control line actually do?
Answer by BessThe control line indicates that the test is working properly, if it didn't come up it could be a faulty test. Good luck :)Answer by xx_erics_ladyThe control line shows the test is working, so if the control line never showed up the test was faulty.
What could nothing mean
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