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Question

Clearblue vs First Response Early Result (6 days sooner)

Hi Ladies, I have a question to ask regarding pregnancy test.
i am wondering why, my clearblue pregnancy test are coming back NEGATIVE? but, when i test with FIRST RESPONSE i get my BFP lol.. i dont understand why i'd be getting negative results on a clearblue test.
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Anyway, i did have a MC back in November 2016 at 26 weeks my last cycle was December 22nd for (9days) i been spotting off and on could this be a result of left over hormones from my last pregnancy? that would be affecting my pregnancy tests? from positive to negative (clearblue)

Thanks :)

3 Answers • 7 years ago


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You should definitely go to the doctors. When I lost my baby I had to have a blood test every week until hcg went back down to zero - not sure why you didn't have this?

7 years ago


FRER is more sensitive (12miu against 25MIU CB) so it shows lower HCG concentrations. it could be leftover HCG if it goes down or new HCG if it goes up.

7 years ago


I am also monitoring my HCG down to zero since miscarriage. I consistently have positive first response test with clear pink line within minute and half. It's not as dark as control, but no one questioned a clear pink line. Passed tissue 4 days ago & just took another test - still Positive at 7 weeks post D&c. Ultrasound confirmed no tissue now & my beta result is 2!! He said it should be 0 by period and sensitive test. Posting b/c others might be experiencing this too. Had no idea it could still pick level that low up.

7 years ago


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