Cheap, simple, noninvasive blood test may replace invasive diagnostic techniques in early pregnancy

Researchers in the Netherlands believe they are on the verge of developing a simple, prenatal blood test that would be able to detect accurately chromosomal abnormalities in the developing fetus. At present, the only reliable way to do this is through amniocentesis or chorionic villus sampling, both of which are invasive and carry the risk of triggering a miscarriage.

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