A new blood test for pregnant women detects with 75-80 percent accuracy whether their pregnancies will end in premature birth. The technique can also be used to estimate a fetus's gestational age -- or the mother's due date -- as reliably as and less expensively than ultrasound.
A new blood test for pregnant women detects with 75-80 percent accuracy whether their pregnancies will end in premature birth. The technique can also be used to estimate a fetus's gestational age -- or the mother's due date -- as reliably as and less expensively than ultrasound.
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