Invalid pregnancy test results occur when the test is not taken according to the instructions, or the results are read after the initial 10-15 minutes.
After a positive pregnancy test, when should I visit the doctor?
I have one line on my pregnancy test and it’s faint. What does that mean?
The line on my pregnancy test didn't show up until the day after. Am I pregnant?
There are two red lines on my pregnancy test, but one is not too clear. Am I pregnant?
I have two red lines but one is not clear. Does it mean I'm pregnant or not?
I just took a pregnancy test, but the test line is lighter than the control line. Am I pregnant?
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Copyright © 2018 HubPages Inc. and respective owners.