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Published in 2020 at "American journal of obstetrics and gynecology"
DOI: 10.1016/j.ajog.2020.10.037
Abstract: BACKGROUND First trimester ultrasound scans were introduced to China for nearly 20 years. The ability of first-trimester ultrasound screening to detect different malformations was variable. A recent systematic review concluded that the use of a…
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Keywords:
routine first;
trimester ultrasound;
ultrasound screening;
standardized anatomical ... See more keywords