This paper contains a joint position of the Polish Gynecological Society and Polish Human Genetics Society on the cell-free fetal DNA testing in prenatal diagnosis. We present situations where the cell-free fetal DNA testing should be applied and cases in which performing of the test is not useful. We indicate what diagnostic steps should be performed before the test and how the test results should be interpreted and followed.
Keywords: Aneuploidy; Cell-free fetal DNA; Noninvasive diagnosis; Prenatal diagnosis.
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