FRER false positives?

Question

Someone told me they have been common lately. Just got a squinter positive on 9dpo and she made me nervous. Anybody experience this?

Answer

Got it thanks. I had a chemical a few months back and you’re right it never got darker. I meant more of a false as in a line when there was no hcg at all. I’m 9dpo so it’s super faint. Hoping it gets darker!

Answer

Yes. Bc FRER detects hcg levels as low as 5. A viable pregnancy hcg level is at least 25. So, it will detect a chemical pregnancy that has likely already passed or will end in miscarriage. So in that sense, it will give false hopes. 
This happened to me last year. I got a positive on a FRER. Went to the doctor and my hcg was exactly 25. Doctor said it would most likely end in miscarriage. And it did. Took a weeek to get my period but it came. When using a FRER, the 2nd line should be strong, assuring it picks up on high enough hcg. 
This was my FRER test last year that ended up being a false positive/chemical...

And this was my FRER this year, same day (day of missed period) that resulted in an ongoing pregnancy (currently 8 months pregnant)...

As you can see, there’s a huge difference. So I would only go with a FRER if you get a big fat second line

FRER false positives?

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