![]() Therefore, if the Harmony test is positive, an invasive prenatal study (such as amniocentesis) is recommended.Ĭonversely, the Harmony test can also be used in rare cases false negative result deliver: According to the test, for example, is most likely no Down syndrome before, but the child is still born with it. The same applies to the Harmony test as to comparable prenatal blood tests (such as PraenaTest and Panorama Test): the test result is not 100% safe, Very rarely, the result speaks for a chromosome aberration such as Down syndrome, while in reality there is none at all ( false-positive result). These include the Prenatalis test, PraenaTest and Panorama test. Note: In addition to the Harmony test, there are also comparable blood tests from other manufacturers. The Klinefelter syndrome occurs only in boys: the affected have at least one supernumerary X chromosome. Such an anomaly occurs, for example, in Turner syndrome and Klinefelter syndrome: in the Turner syndrome, which affects only girls, the cells have only one (instead of two) X chromosomes. ![]() An analysis of these childish DNA snippets can show with high probability whether the offspring is one of the following three trisomies having:Īlso, the Harmony test can Deviations of the normal number of sex chromosomes determine. This is examined in the laboratory for traces of childhood genetic material (DNA). For the test, the doctor of the pregnant woman takes a blood sample. The Harmony test belongs to non-invasive prenatal diagnosis (NIPD): It can detect chromosomal abnormalities in the unborn child, without intervention in the expectant mother or the child itself (ie non-invasive).
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