Prenatal blood tests detect cancer signal in some women

March 5, 2015 9:09 PM

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LA JOLLA, Calif. (Reuters) - A new genetic test that sequences the blood of pregnant women for signs of diseases such as Down Syndrome in their fetuses are turning up unexpected results: a diagnosis of cancer in the mother.

In as many as 40 cases, women who took Sequenom Inc's MaterniT21 test, which scans their genetic code and that of their fetus, had abnormal changes that could signify cancer. In at least 26 of these women, that test turned out to be accurate.

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