Prenatal observation of umbilical cord abnormalities: a triple knot and torsion of the umbilical cord.
Umbilical cord abnormalities can be observed with ultrasonography. Two cases are described where a triple knot and torsion of the umbilical cord are observed. These cases allow the elucidation of the mechanics of formation of a triknot and torsion abnormality.
Collins
J C
JC
Muller
R J
RJ
Collins
C L
CL
D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D014470:Umbilical Cord / Q000000981:diagnostic imaging*