“This test gives rise to false positives”

The detection of foetal aneuploidies (the most common being Down syndrome) using a sample of the mother’s plasma (Clim Chem Lab Medical 51; 197-200, 2013), is no doubt an advance in the diagnosis of this type of disorder. However, it has become increasingly evident that this test gives rise to false positives, that is, normal foetuses being identified as abnormal when they are not (American Journal Obstetrics and Gynecology, November 2013, pp. 415-419). These findings show that invasive techniques are still the only way to unequivocally identify whether the foetus has an aneuploid condition or not.


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