Sonographic fetal thymus measurement. S: sternum; P: pulmonary artery; Ao: aorta artery; SVC: superior vena cava; V: vertebra.

Sonographic fetal thymus measurement. S: sternum; P: pulmonary artery; Ao: aorta artery; SVC: superior vena cava; V: vertebra.

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Objective: Fetal thymus involvement in prematurity has been studied, and this study aimed to evaluate its relationship with short cervix and amniotic fluid sludge in the second trimester of pregnancy. Methods: In this prospective cross-sectional study, 79 pregnant women (19+0 to 24+6 weeks) were included, and cervical length and the presence or...

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Context 1
... fetal thymus size was measured in the three-vessel view of the thorax, between the lungs, and in front of the vessels. The perimeter and transverse diameter (TD) of this organ were obtained, as shown in Figure 1. The maximum TD of the thymus was measured perpendicular to the line connecting the sternum and the spine, and the perimeter of the thymus is the line traced around the organ. ...