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Article

Prenatal detection of trisomy 21 by second‐trimester ultrasound examination and maternal age in a non‐selected population of 49 314 births in Norway

7 Aug 2008

Abstract excerpt

OBJECTIVES: To assess the contribution of the second-trimester routine ultrasound examination and maternal age (>or= 38 years) to the prenatal detection of trisomy 21 in a large non-selected population in which no other screening methods were carried out. METHODS: A prospective follow-up study was carried out in a non-selected Norwegian population from 1987 to 2004, including a total of 49 314 births. Data from...

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PMID: 18688793
DOI: 10.1002/uog.5373

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