Population
211 pregnant women examined between the 15th and 40th weeks of pregnancy.
Design
Cross-sectional
Authors
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May guide optimal mid-gestation timing for fetal color flow imaging; leaves open impact on detection rates pending prospective validation.
Color flow mapping is a feasible technique for visualizing fetal intracardiac and peripheral blood flow, with optimal intracardiac visualization occurring between 20 and 24 weeks of gestation.
Kurjak et al. (1987) studied this question.
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