I think I may very well be losing my mind. I just took 2 First Response line tests and they both had 2 lines. (The lines were faint but they were definitely there) Then I took a first response digital test and it came back Not Pregnant. I cannot be very far along at all. So I am wondering what the heck??
FRERs are pretty much the most sensitive out there at 10mIU.
Digital tests vary between 25mIU and 50mIU. CB digis are 25mIU, so they won't detect anything less than that. I'd advise you to allow a few days (even just one or two) before you try your digi again.
I have no idea about first response digis, but I took a first response line test last Saturday and it was stark white, not even a hint of a line. Took another one sunday night and had a faint line, and a clear blue digital came back pregnant! The following day I had hcg tested (14 hours after the digital) and levels were at a 30, so they are sensitive!
Just happened to me today. Was ecstatic about getting my faint positive on cheapo test only to be disappointed on the expensive First Response Gold digital I took right after. I thought it would confirm it! How naive lol. Now I'm reading all over that digital tests are not good for early testing. I wish this was more clear... but obviously nobody tells you that!
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