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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is a quad test showing trisomy and NTD a serious concern?

hello mam i have done the Quad test but in the report Ultra Slund Details are like........the reportable range for trisomy 21, trisomy 18 and NTD is from 1:50 to The reported value which is either 1:50 or below 1:250, 1:100 and 1:50 for trisomy 21, Trisomy 18 and NTD respectively, indicates high risk please suggest
Thu, 13 Sep 2018
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  Anonymous's Response
's  Response
Hi,

The risk of Trisomy 21 and Trisomy 18 increases when the ratio is less than 1 in 250. 1 in 50 indicates that the risk of Trisomy is high, but quad test is a screening test. To confirm I would suggest amniocentesis. Amniocentesis will tell us the baby's karyotyping thereby confirming whether baby is affected or not.

Hope I have answered your query. Let me know if I can assist you further.
Regards,
Dr. Swathi Kamidi, OBGYN
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