Positive cheap test then negative digital

thlibrava · May 2016

has anyone gotten a BFP on a FRER but then a negative digital the next morning? Missed period yesterday so I tested and got very faint positive. Took a digital with FMU this morning and its negative

leksiL · May 2016

Congrats. FRERs are more sensitive than digitals. Wait two more days and then retry.

FiancB · May 2016

Digitals need about 50 miu/mL (I think that's the unit?) of hcg while a lot of cheapies get as low as 25 or so. You'll probably get a positive digital tomorrow or the next day. The new FRERs with the curved handles, however, have been notorious for tricky evaps and false positives so unfortunately that's another possibility if that's the test you used.

FinePlacentaPie · May 2016

I don't think of FRERs as a "cheap test"; they are usually reliable earlier than digitals as PP mentioned, because digitals aren't as sensitive.

@FiancB, the curved handle tests weren't a thing yet when I was pregnant, I used the old version of the FRER. That sucks about the new ones, those were the tests most people rely on.

FiancB · May 2016

FinePlacentaPie said:

I don't think of FRERs as a "cheap test"; they are usually reliable earlier than digitals as PP mentioned, because digitals aren't as sensitive.

LOL I was thinking that, too. Cheap tests are from the dollar store or wondfo. If $14ish for two tests is cheap, OP has more money than I do XD

GhanimaAtreides · May 2016

I had the opposite happen. A late faint line on a Wondfo with FMU, followed up with 2 tests using the same batch of SMU: the digital weeks estimator said "Pregnant 1-2" and the dollar store test most doctors use was Snow White BFN. That was at 12DPO.

At the family doc's office at 13DPO, their dollar store test didn't turn as fast as they're used to seeing, the doc even came in telling me it was negative, but he put in a blood test anyway. Then in comes the nurse correcting him, a faint line popped up after a couple minutes. Doc agreed it was positive and said they're not used to women coming in until their period was at least a week late.

So yes, you can have conflicting results and still be pregnant.

Joyzie77 · May 2016

I had positives on the Wondofo's and a negative on the Clearblue Easy Digital so it's possible.

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Positive cheap test then negative digital

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