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Archive | April, 2015

PCR testing of cell-free DNA could improve Down’s syndrome testing

Expectant parents and physicians concerned about Down’s syndrome (foetal trisomy 21) and other trisomies want tests to be fast and non-invasive, but most of all they want them to be accurate. The polymerase chain reaction (PCR) can be used to look at DNA circulating in the blood (cell-free DNA or cfDNA), and has potential to […]

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