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Fetal Fibronectin test negative?

dizzzy_chik99dizzzy_chik99 member
in 3rd Trimester
I went into preterm labor at 31 weeks. They did a fetal fibronectin test (preterm labor swab test) then and it was positive. I stayed in the hospital for three days and they slowed contractions with Magnesium. That was three weeks ago. Yesterday, I went back to the hospital for contractions 1-2 minutes apart (with increasing intensity). They gave me two shots to slow contractions and another fetal fibronectin test, which came back negative. The nurse told me that since it came back negative, that there is a 99.9% chance that I will not go into labor within the next two weeks. Just wondering if anyone else has been told this and if it has been true/false for you. TIA
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Re: Fetal Fibronectin test negative?

  • LissaLeeLissaLee member
    I'm lurking from 2nd Tri, but with my daughter I was having contractions at 24 weeks which we were able to stop with fluids and bedrest. They did a FFN test that came back negative and I did not go into labor until 38 weeks.
    Mommy to Evelyn Clare born 6/23/07, Ryan Hansen born 12/10/09, and Charlotte Nicole born 11/1/12
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  • getawaybridegetawaybride

    I've had to do FFN test with both pregnancies due to pre-term labor issues.  My doctor always said the same as your nurse with the negative.  My Dr. said that if the test is positive they don't really know what that means. 

     With that said, with my first pregnancy I started FFN test at 28 weeks and didn't deliver till 38 weeks. I never had a positive FFN.  

    This pregnancy I am currently 36 weeks and never had a positive FFN. 

    Good luck!

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  • mikeandcristinamikeandcristina member

    Yes, I was told the same - I went into preterm labor at 30 weeks, and had the shots and was hospitalized to stop the contractions, as well as the test every 2 weeks, which came back negative, until I hit 36 weeks (I've had actual contractions, not BH ever since). I'm just over 37 weeks, and our LO is still in there!

    My OB told me that a positive test meant that the "glue" that holds your cervix together and firm has started to release, which means you can start to dilate and increase your chances of labor.

    Lilypie Pregnancy tickers
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  • kjg5445kjg5445 member
    it was true for me. i had two positives followed by a negative in a few weeks time. my last one being at 34 weeks (negative). my water broke at 37 weeks. A lot of things can make it positive. It worried the heck out of me for nothing.

    image

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  • piinkzebrapriintpiinkzebrapriint

    Went into PTL at 30 weeks, I'm now 32 weeks exactly. Had that test and it came back negative (thank you Jesus! haha. I would had to be flown out to a dif city.)

    About 11 days after the test I went in with contractions again but they stopped on their own and I had no further progress.

    LO #2, EDD Aug 5 =)
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  • DianaChristineBDianaChristineB
    I had FFN tests done at 24, 26, 28, 30 and 32 weeks. I had one come back positive (26 weeks). My doctor advised me that negative results are much more accurate than positive ones.
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