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Sneak Peek vs NIPT

ashtishashtish member
edited July 2023 in 1st Trimester
I did the sneak peek gender test (at home) at 6 weeks and the results were boy. I have 2 boys and 1 girl so I made sure to really scrub my hands and sanitize everything and didn’t let any boys near me while I did the test. 

At 10 weeks I did the NIPT blood draw and the results are girl! I know these tests are usually more accurate but it says my fetal fraction was 3.6%. Does anyone know if that affects the accuracy of the gender prediction?


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Re: Sneak Peek vs NIPT

  • stormageddon-darklordofallstormageddon-darklordofall member
    @ashtish You may just have to wait until your 20 week anatomy scan to know more for sure.  But if the results show a healthy baby at this point, that is really the MOST important thing and the main reason to do these tests.
    *TW All the Loss* #BitterHagPartyOf1

    October 2015 - 1st MC.  7-8 weeks along. Suspected molar PG, but luckily just a MMC.

    June 2016 - 2nd MC: 4-5 weeks CP

    September 2016 - 3rd MC: 4-5 weeks CP

    RE 1: ALL the testing - 'unexplained'  "Yinz can do IVF or try on your own"

    Feb 2017 - 4th MC: 6 weeks

    RE 2: More tests. Still 'unexplained.'  Called fat for an entire hour-long appointment, cried a lot

    Feb 2019 - 5th MC: 6-7 weeks

    IUD - March 2019-March 2023

    RE 3:  Repeat all the tests. Hoping to try IVF.

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  • emeraldcity603emeraldcity603 member
    I would trust the NIPT. The chances are you likely contaminated the sneak peek sample. 
    Report Reply
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  • missamerica1989missamerica1989 Just Joined
    Did sou find out? I just had my NIPT with Unity also and it says girl. Fetal fraction was 4.2%
    Report Reply
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