December 2015 Moms

Blood test gender reveal??

I've had friends say they found out their baby's gender through a blood test. Has anybody on here done that? It doesn't make sense to me..How does it work??

Re: Blood test gender reveal??

  • LC122LC122 member
    edited July 2015
    Yes, it's called cell-free DNA or cfDNA.
    Basically, fragments of the baby's DNA get transferred through the placenta into the mother's blood. They can be detected through a blood test.
    There are several different companies that process the test and have different names for it. We did the Harmony test. It is more sensitive/specific than standard first trimester screenings and can tell you the sex of the baby by looking for that chromosome.
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  • Yup same here. Did harmony and found out at 13 weeks
  • I did this also. Look at the mothers blood and can find the baby's DNA in our blood so they're able to tell if you have XX or Xy baby chromosomes
  • Yes. With harmony blood test. I think I found out at 10 weeks
  • ash413ash413 member
    arugle said:

    I've had friends say they found out their baby's gender through a blood test. Has anybody on here done that? It doesn't make sense to me..How does it work??

    These test look for possible genetic abnormalities. So yes they can tell you the sex, but that is not the purpose just a small bonus. They should not be used as an earmy way to find out the sex.
            
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    Married 5/23/2011
    BFP 6/16/2013 EDD 2/25/2014 MC 7/2/2013
    BFP 8/30/2014 EDD: 5/10/2015- MC 10/2/2014
    BFP 3/16/2015 EDD: 11/22/2015
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