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Wow I did not expect that! Many of them are really hard to read actually!

A quick example of two positive tests side by side https://i.redd.it/llw9fmn6dxk51.jpg

Even worse, sometimes the reaction is so strong that there is a "dye stealer" effect, where the test line steals the ink from the control line. See for example here: https://i.redd.it/skdynwwi6ll51.jpg (Notice how the line is on the "wrong" side)

No wonder the misread rate is so high indeed...




Those aren't misreads, those are ambiguous tests. The computer would get false negatives on those.


Strictly speaking if the control line disappears that's an invalid test.

https://www.early-pregnancy-tests.com/inpregtesstr




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