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Objective
The objective of the study is to explore the value of the four-section approach in detecting fetal heart defects in the first trimester (11–13 ⁺⁶ weeks), analyze the reasons for the inconsistency between the results of ultrasound examination in the first trimester and subsequent verification, and describe the most common abnormal flow pat...
Context in source publication
Context 1
... the 176 fetuses with CHD in this study, 5.68% (10/176) had an abnormal upper abdominal transverse section, 34.09% (60/176) had an abnormal 4CV section of the heart, 53.41% (94/176) had abnormal 3VT section, and 19.89% (35/176) had abnormal bilateral subclavian artery section. Approximately 67.04% (118/ 176) of the fetuses were reported to be abnormal in at least one section, and 60.23% (106/176) were abnormal in 4CV section combined with 3VT section, presented in Table 1. The upper abdominal transverse section was most found in an abnormal fetal visceral heart position (88.88%, ...