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Faint lines on Internet dip strips. First response just has a white line?

^^^ the white line came up within the time frame, is not an indent ran my finger across, doesn't look like an evap wtf.


1 Answer • 7 years ago


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White lines are antibody strips. Here is an article somewhat explaining the whole thing: http://webphysics.iupui.edu/webscience/bio_archive/goodfor3.html

Antibody strips shouldn't be visible but for whatever reason they often are on FRERs. It's one of the reasons a lot of ladies don't like FRERs and don't really use them anymore.

I don't normally use FRERs but I have used a couple here and there. And I definitely have seen some very, very visible antibody strips. One of the tests I opened had a glaringly obvious white line where the positive would be before I even dipped it. Then as the dye ran across the test it sorta lit up pink as the pink dye crossed it and returned to be very white.

A white line is a negative test though.

I'd suggest testing again in a couple of days if you haven't gotten your period!


TTC #1: January 2015- October 2015 BFP #1: October 16, 2015. MC: November 6, 2015 BFP #2: March 15, 2016. MC: March 21, 2016 TTC Rainbow: November 2015- Present

7 years ago


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