Down Blue Arrow First Trimester Screening Bloods Only (Risk to be calculated by requesting clinician) 


Profile details  

Free β-hCG

Free β-hCG and PAPP-A in serum and sonographic determination
of nuchal translucency (NT) are markers of choice to identify women
at increased risk of Down Syndrome during the first trimester 
(week 11-13) of pregnancy. 


Code Sample Reqs Turnaround
HCGF/PAPA   B  4 hours


Special Instructions Referral lab
 Risk to be calculated by requesting clinician  


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