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Dual marker test
Hi, I m 13 week pregnant. My nt is 2.30mm and nb is 1.97mm. But in dual marker test my trisomy 21 is 1:122 increased risk. Doc has suggested Amniocentesis. I m very much scared.. What are my chances of having a normal baby? Kindly suggest.
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NT is significant thick
Risk for trisomyis high
Generally in routine screening these findings are not seen
Amniocentesis gives confirmation
Option is prenatal tests frm mothers blood sample ( non invasive)
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Age is an important factor in here .
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Dr. Sonal Katarmal
Gynecologist/Obstetrician
10 yrs exp
Pune
NT scan + Dual marker test + Maternal age = 91% efficacy with 5% False positive test ( Screening test )
NIPT = 99% efficacy ( Screening test )
Amniocentesis = 100% efficacy ( Diagnostic test )
Do not take any adverse decision on the bases on NT scan and Dual marker as they r just screening tests.
Do Amniocentesis for final decision.
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.