When women get a blood test during pregnancy that looks at free-floating DNA, they expect it to tell about the health of the fetus. But the test sometimes finds signs of cancer in the mother. (Isabel ...

Blood plasma can harbor DNA changes that could flag cancer years before existing diagnostic tests, an early study hints. The recent study, published May 22 in the journal Cancer Discovery, found ...

Since the genetic code was first deciphered in the 1960s, our genes seemed like an open book. By reading and decoding our chromosomes as linear strings of letters, like sentences in a novel, we can ...

When Kathleen Aukstikalnis was expecting her first baby, she turned to a common prenatal test that a lot of her friends had gotten done during their pregnancies. The simple blood test looks at DNA ...

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Testing pregnant people's blood to look at free-floating DNA can tell doctors about the health of the fetus. But these tests sometime turn up DNA... A new kind of blood test can screen for many ...