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Fig. 2 | BMC Pregnancy and Childbirth

Fig. 2

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

Fig. 2

The diagram of TUCK. When the UC is traced by ultrasound (US) and the"hanging noose sign"is observed, it is crucial to identify the intersection of the UC loop. Additionally, it is necessary to confirm that one end of the UC truly enters into a closed loop. This finding is indicative of a TUCK. UC, umbilical cord; US, ultrasound; TUCK, true umbilical cord knot

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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