Screening for trisomy 21 in twin pregnancies in the first trimester using free beta-hCG and PAPP-A, combined with fetal nuchal translucency thickness.

K, Spencer

doi:10.1002/(sici)1097-0223(200002)20:2<91::aid-pd759>3.0.co;2-x

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Screening for trisomy 21 in twin pregnancies in the first trimester using free beta-hCG and PAPP-A, combined with fetal nuchal translucency thickness.

Shared by NobleBlocks on Feb 1, 2000 • 12:00 AM UTC

Authors:

Spencer K

Abstract

In the first trimester of pregnancy the biochemical markers free beta-hCG and pregnancy associated plasma protein-A (PAPP-A) are used for the prenatal screening of trisomy 21, either alone or in combination with nuchal translucency (NT) thickness. In this study, I have analysed the distribution of t...

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