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Fig. 4 | BMC Pregnancy and Childbirth

Fig. 4

From: True umbilical cord knot detection via active scanning: a prospective study on accuracy and visualization factors

Fig. 4

A true knot of the umbilical cord. Transabdominal Ultrasonography at 25 weeks of gestation: 2DUS demonstrating a transverse section of the UC surrounded by a loop of UC that creates the “hanging noose"sign (A). Confirmation was made by 2DUS (A, B, C) and 3D HD-flow (D) tracking the UC passing into its loop. And this case was identified at delivery (E). 2DUS, two-dimension ultrasound; 3D HD-flow, three-dimensional high-definition flow; UC, umbilical cord

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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