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This test detects the fetal RHD DNA in the maternal blood. The plasma of pregnant woman contains in the course of the pregnancy increasing concentration of fetal DNA, beginning with a few copies in the first trimester up to several hundred copies in the third trimester. With this "Free DNA Fetal Kit® RhD" a very early detection of the fetal RHD DNA becomes possible starting with the 12th gestational week. The detection is proceeded via PCR amplification with three different segments of the RHD genes (Exon 5, 7, 10) to allow the greatest possible coverage of all RhD variants.
(Id-n°: 45990)
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