https://www.selleckchem.com/pr....oducts/mk-8353-sch90
To evaluate the 24-segment sphericity index (SI) of the fetal heart using HQ regarding the change with advancing gestation and reproducibility. Eighty-one pregnant women at 18-21 + 6 and 28-31 + 6 weeks were studied using HQ to calculate 24-segment SI of left and right ventricles. Intra- and inter-class correlation coefficients and intra- and inter-observer agreements of measurements for SI were assessed in each segment. With respect to intra-observer reproducibility, all SI values showed correlations between 0.596 and 0.774 f
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