The impact of temporal variability of biochemical markers PAPP-A and free β-hCG on the specificity of the first-trimester Down syndrome screening: a Croatian retrospective study
<p>Abstract</p> <p>Background</p> <p>The variability of maternal serum biochemical markers for Down syndrome, free β-hCG and PAPP-A can have a different impact on false-positive rates between the 10+0 and 13+6 week of gestation. The study population comprised 2883 unaff...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2010-07-01
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Series: | BMC Research Notes |
Online Access: | http://www.biomedcentral.com/1756-0500/3/194 |