Clinical significance of the umbilical cord twist - 28/08/11
, Tiffany Hunter a, Geeta Sharma, MD a, Rebecca N Baergen, MD b
Reprint requests: Robin B. Kalish, MD, Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Weill Medical College of Cornell University, 525 East 68th St, Room J-130, New York, NY 10021.Abstract |
Objective |
The objective of this study was to determine the clinical significance of the umbilical cord twist direction.
Study design |
Two hundred singleton third-trimester placentas with a right umbilical cord twist and 200 placentas with a left umbilical cord twist, which was determined by pathologic examination, were included. Maternal and neonatal outcomes were compared with the use of Fisher's exact and Mann Whitney U tests; a probability value of <.05 considered statistically significant.
Results |
Placenta previa was more common in patients with a right umbilical cord twist compared with a left umbilical cord twist (6.0% vs 1.5%; P<.05). There was a trend towards an increased incidence of single umbilical artery in patients with a right umbilical cord twist (2.5% vs 0%; P=.06). The incidence of fetal demise, intrauterine growth restriction, chromosomal abnormalities, congenital anomalies, preterm delivery, infant gender, birth weight, maternal age, and parity were similar between the 2 groups.
Conclusion |
Placenta previa is associated with a right umbilical cord twist.
Le texte complet de cet article est disponible en PDF.Keywords : Umbilical cord, twist, placenta previa
Plan
 | Presented at the Twenty-Third Annual Meeting of the Society for Maternal-Fetal Medicine, San Francisco, Calif, February 3-8, 2003. |
Vol 189 - N° 3
P. 736-739 - septembre 2003 Retour au numéro
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