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Antenatal tests

Understanding cvs results?

2 replies

Mummytoharison · 08/04/2013 14:22

Hello, I'm new to the site and was wondering if anyone could help me understand my results? I'm 26 years old and am already a mother to my beautiful 4 year old son. I had such an easy pregnancy and no complications. I recently found out I was expecting again, my partner and I are thrilled. I had the combined blood test, along with the dating scan. Everything seemed ok with neck measurements coming back 2.5-2.7. I revived my results back and was told I had 1:15 chance of having a baby with downs. I went for my cvs and got my results the very next day. They were all clear. What i want to know is does anyone know the reason that my hormone levels came back so high/low? My Hvg was almost 6 and another was meant to be 1 but came back 0.5. Does this still mean there could be something wrong with my baby? I'm currently 16 weeks an have booked a private scan for this coming Friday. I just want to understand if this means other problems as the 3 chromosome tests came back negative. Has anyone else had the same and did your babies have any problems? Thank you so much for taking the time to read this essay :)

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lozster · 08/04/2013 20:59

Hi there - the cvs results are diagnostic so 100% (or near enough) accurate for the conditions that it checks for.

I do understand your concern though with the blood results and nt test result. Your results sound similar to mine. I was (if I recall without getting my notes out) nt 3, hcg 6.2, Pap A 0.8. Hcg and pap a are measured as MoM which stands for Multiple of the Mean ie how much your result is different to the average. I was given a 1:4 risk.

I got an all clear from an amnio but before that I googled myself silly over the hcg to see what might have caused it and what the consequences might be beyond chromosomal abnormality. I asked directly following the amnio result and got told that there was nothing to worry about. The web is littered with tales of women who had similar results, then a diagnostic all clear, then normal babies. I think we need to relax and accept that in a normal distribution some women will be at the extreme ends of the scores.

I hope that helps - apologies if I have got the terms wrong - I'm 23 weeks and too idle tired from work to raise myself to check my notes!

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Mummytoharison · 09/04/2013 09:26

Thank you lozster, your feedback has put my mind at ease. The dr had told me not to worry but it's hard not to. I keep comparing my pregnancys so I think that's also making my mind work over time. I will try and relax an enjoy my pregnancy now I have the results. Best wishes for a healthy and happy baby.

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