Article
Fetal aberrant right subclavian artery in normal and Down syndrome fetuses
21 Dec 2007
Abstract excerpt
OBJECTIVES: To evaluate the prevalence of fetal aberrant right subclavian artery (ARSA) in a low-risk population and compare it with that among Down syndrome fetuses, in order to estimate its potential as a marker in Down syndrome screening. METHODS: Women undergoing routine fetal sonographic examination between 13 and 26 weeks of gestation were evaluated once for the presence of ARSA using either a transvaginal...
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