Summary
We report a case of intrapartum distress of the first twin due to a knot in the umbilical cord. Cord blood flow is reduced according to Poiseuille’s law as the knot tightens.
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Literature
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Adelwöhrer, N.E., Walcher, W. & Hönigl, W. Twin labour complicated by umbilical cord knotting. Arch Gynecol Obstet 251, 101–103 (1992). https://doi.org/10.1007/BF02759918
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DOI: https://doi.org/10.1007/BF02759918