First trimester screening test is performed between 11-13 weeks of gestation to screen for pregnancies with increased risks for Down Syndrome or trisomy 18. Three marker levels and maternal age are used in the calculation of such risks. Two of thee markers are biochemical (PAPP-A and HCG total) and the third is an ultrasound measurement of the fetal nuchal translucency (NT).
status
ACTIVE
Fully-Specified Name
component
First trimester maternal screen with nuchal translucency panel
property
-
time
Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
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