Objective To test the repeatability of sonography in the assessment of fetal sucking and swallowing movements. (−1.4; 1.6), 0.1 (−2.2; 2.3) and −0.6 (−9.0; 7.9), and the mean (95% limits of agreement) intraobserver difference was 0.4 (−3.1; 3.9), 0.1 (−2.0; 2.2) and 1.0 (−10.7; 12.7) for swallowing movements, sucking bursts and total sucking movements, respectively. Methods ConclusionsThe high degree of intra-and interobserver repeatability disclosed in the sonographic analysis of fetal sucking and swallowing movements supports the applicability of sonographic assessment in normal fetuses.

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