They are tests that are performed before the baby is born and in which the sample to be studied is not obtained directly from the foetus, but from its DNA that is found freely circulating in the mother’s blood, which is why it is non-invasive.
They are tests that are performed before the baby is born and in which the sample to be studied is not obtained directly from the foetus, but from its DNA that is found freely circulating in the mother’s blood, which is why it is non-invasive.
