thread: Normal US but low PAPP-A & low free beta hcg--Trisomy 18 risk?????

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  1. #1

    Apr 2009
    central coast
    2,298

    Low pappA can also be a sign of placenta not working so good we had a bad NT and the BT we were given a 1 in 2 chance of something wrong the doctors told us all senerio's and one of them was a not so great placenta can cause the low blood levels in our case it was bub who had a genetic condition but as your U/S was normal that is a good sign it might just be the placenta and what the doctor said to me it means it could effects bubs growth so they have to keep an eye on it and hope it rectifies itself or if not they take bub a bit early.
    I hope yours is just the levels were a bit off.

  2. #2
    Registered User

    May 2011
    2

    Normal UA but Low PAPP-A and free beta HCG

    Hi Hope,

    My case is similar to yours. My age is 34 years;
    I had my 12 Week U/S which has given me measurement of 1.1mm of NT ; Nasal born was present.The results of Blood tests done on the beginning of 11th week was

    PAPP-A 0.36 MoM
    and Free Beta Hcg 0.30 MoM.
    The radiologist explained me that ,though I have a normal NT based on the serum screening I have a risk of 1 in 216 of Trisomy 18;

    Did you go for an Amino; If done how was your results??
    The placenta formation based on U/S was normal; The radiologist said there is no markers for Trisomy -18 on scan????

    I am worried on my serum readings???????????
    Ladies your thoughts and experiences on this will be appreciated.

  3. #3
    Registered User

    Aug 2006
    NSW
    168

    Hi Sandy!
    I am so sorry that I am only now getting back to you. I stopped checking after there were no replies earlier on. Our situations were very similar indeed. We had specialist scans at both 16 & 20 weeks and were advised not to have the amnio as the 3D scans showed no abnormalities & that the risks of losing the baby because of the amnio were far greater than the risks of the baby having Edwards. I am now 32+ weeks and have just had a growth scan showing that all is within normal range, estimated fetal weight was 1.8kg.
    How have you gone with your test results so far? I hope all is well and you are both growing bigger by the day! I would love to hear how you have fared if you do read this.

  4. #4
    Registered User

    May 2011
    2

    Post

    Hi Hope,

    Sorry for the late reply.
    I am glad to learn that you are going very well.
    I am now 24 weeks and everything going well.My little boy weighs 530gm which is normal to 24 weeks.Had 3 scans so far every thing is absolutely normal.Wish you all the best with the delivery.I am so excited and waiting to hear from you the happy news soon!!!!!!!:

  5. #5
    Registered User

    Nov 2011
    2

    Hi Both,

    I hope everything went well with your babies.

    I am in the same situation right now, US is great but PAPP-A and free beta HCG are both low low. Esp. the PAPP-A is extremely low till 0.200 MoM.

    This makes me so worried about not only the Trisomy 18 but the other complications that may come with the low PAPP-A value.

    I'd really like to hear more on how your pregnacy journeys were and how your babies are doing right now?

  6. #6
    Registered User

    Aug 2006
    NSW
    168

    Hi guys,
    I realise this thread has not been a well visited one but wanted to drop in to ease the minds of others finding themselves in this situation. My little man was born 7 days early via c-section & weighed 6lb 13oz. He is perfectly healthy apart from having Silent Reflux (which my number 1 son had as well) but my placenta was getting a tad dodgy looking by 39 weeks & he needed to be on the "outside"!! Moochi--I hope your journey is not too stressful & that you can be reassured by scans throughout your preg.
    Cheers,
    Hope.

  7. #7
    Registered User

    Nov 2011
    2

    Hi Hope,

    Thanks so much for your sharing. How wonderful to learn that your boy is normal and healthy .
    I think I should just stop worrying and get myself up and ready to the bumpy preg journey ahead.