What do you call this line?

[1sttimemummy2022]

What do you call this line? When I was pregnant with my 1st, I got my positive on a clear blue. 

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I don’t think that’s a positive. It looks white, it should be pink. I think it’s just a mark where the dye would be. I’ve seen people mention the white lines before, they’re always negative.

I can only see the control line. Not pregnant is what I think it is saying.

The white line is the reactive part of the paper which turns pink when positive.

Negative