The umbilical cord is important for fetal life, newborn prognosis and fetal programming of adult disease. It is important to understand its anatomical features and how they relate to perinatal outcomes. Literature has described anatomical abnormalities in the umbilical cord in relation to the number of vessels, coiling direction, number and depth of coils, insertion, knots, length, diameter, entanglement and constrictions. Each feature represents a potential risk for fetal and neonatal prognosis. This article presents two case studies with unusual anatomical abnormalities of the umbilical cord, the first in a 34-week newborn and the other in a 14-week malformed fetus, both with a partial medial membranous separation of the umbilical cord vascular structures. The unusual macroscopic anatomical abnormalities in these cases were classed as medial funiculi furcata.

Fernando Correa-Molano

Mariana Franco-Olaya

Camilo Vargas-Arrazola

Cristina Delgado-Alvarez

Gabriela Benavides-Prada

Mercedes Olaya-C

British Journal of Midwifery

British Journal of Midwifery (BJM) is the leading clinical journal for midwives. Published each month, the journal is written by midwives for midwives and peer reviewed by some of the foremost authorities in the profession.    BJM is essential reading for all midwives. It contains the best clinical reviews, original research and evidence-based articles available, and ensures that midwives are kept fully up-to-date with the latest developments taking place in clinical practice. In addition, each issue of the journal contains a symposium on a particular theme, providing more in-depth clinical information.

The British Journal of Midwifery (BJM) is the leading clinical journal for midwives. Published monthly, the journal is written by midwives for midwives and is peer-reviewed by some of the foremost authorities in the profession. BJM is essential reading for all midwives, containing the best clinical reviews, original research, and evidence-based articles available, ensuring that midwives are kept fully up-to-date with the latest developments in clinical practice. Additionally, each issue of the journal features a symposium on a particular theme, providing more in-depth clinical information.

《British Journal of Midwifery》是临床助产领域的领先期刊。该期刊每月出版，由助产士撰写，并经过该领域一些权威人士的同行评审。对于所有助产士来说，《British Journal of Midwifery》是必读的期刊。它包含了最佳的临床评论、原创研究和基于证据的文章，确保助产士能够及时了解临床实践中的最新发展。此外，每期期刊还包含一个关于特定主题的研讨会，提供更深入的临床信息。

Medial funiculi furcata: a rare umbilical cord alteration

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