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The Journal of Maternal-Fetal & Neonatal Medicine Volume 33, 2020 - Issue 22
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Original Articles

Excessively long umbilical cord: a preventive factor of miserable outcomes of pregnancies with true umbilical cord knots

Shunji SuzukiDepartment of Obstetrics and Gynecology, Japanese Red Cross Katsushika Maternity Hospital, Tokyo, JapanCorrespondence[email protected]
Pages 3757-3760 | Received 14 Aug 2018, Accepted 14 Feb 2019, Published online: 01 Mar 2019

References

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  • Naeye RL. Functionally important disorders of the placenta, umbilical cord, and fetal membranes. Hum Pathol. 1987;18(7):680–691.
  • Rayburn WF, Beynen A, Brinkman DL. Umbilical cord length and intrapartum complications. Obstet Gynecol. 1981;57(4):450–452.
  • Eizenberg D. Antenatal true umbilical cord knot leading to fetal demise. Aust N Z J Obstet Gynaecol. 1998;38(1):100–101.
  • Airas U, Heinonen S. Clinical significance of true umbilical knots: a population-based analysis. Am J Perinatol. 2002;19(3):127–132.
  • Hershkovitz R, Silberstein T, Sheiner E, et al. Risk factors associated with true knots of the umbilical cord. Eur J Obstet Gynecol Reprod Biol. 2001;98(1):36–39.
  • Maher JT, Conti JA. A comparison of umbilical cord blood gas values between newborns with and without true knots. Obstet Gynecol. 1996;88(5):863–866.
  • Ikechebelu J, Eleje G, Ofojebe C. True umbilical cord knot leading to fetal demise. Ann Med Health Sci Res. 2014;4(2):S155–S158.
  • Suzuki S, Fuse Y. Length of the umbilical cord and perinatal outcomes in Japanese singleton pregnancies delivered at greater than or equal to 34 weeks’ gestation. J Clin Gynecol Obstet. 2012;1(4–5):57–62.
  • Benirschke K, Kaufmann P, Baergen RN. Length of the cord. Pathology of the human placenta. 5th ed. New York (NY): Springer; 2006. p. 394–401.
  • Ogawa Y, Iwamura T, Kuriya N, et al. Birth size standards by geatational age for Japanese neonate (in Japanese). Acta Neotat Jpn 1998;34:624–632.
  • American College of Obstetricians and Gynecologists Committee on Obstetric Practice: ACOG Committee Opinion #303: Inappropriate use of the terms fetal distress and birth asphyxia. Obstet Gynecol. 2004;104(4):903.
  • Pediatric & Perinatal Pathology Associates. PSC. Umbilical cord length; [cited 2018 Aug 14]. Available from: http://www.pediatricperinatalpathology.com/id4.html

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