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A member asked:
Which is a better predictor of down syndrome during the first trimester screening, low papp-a or high hcg levels? or the ratio between the two values?
A doctor has provided 1 answer
Four tests: A combination of four tests, quad screen, is done twice as a screening test for down syndrome. See this site for more info. http://www.mayoclinic.com/health/quad-screen/my00127.
Answered 7/7/2013
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My HCG at 5w5d (evening) was 22,000. I am concerned that this indicates down syndrome. Are high HCG levels in early pregnancy an indicator of DS?
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Im in my 1st trimester 11weeks 4 days I just did a blood test and the HCG at 58877 and the Papp-a at 423.2 can you please explain to me what does this mean ?
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