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ORIGINAL ARTICLES

Relationship Between Short Umbilical Cord Length and Adverse Pregnancy Outcomes

, , , &
Pages 81-87 | Received 29 Sep 2015, Accepted 11 Jun 2015, Published online: 06 Jan 2016
 

Abstract

To investigate how umbilical cord length relates to pregnancy outcomes, we retrospectively analyzed data from 89,042 deliveries recorded in the Japan Society of Obstetrics and Gynecology Successive Pregnancy Birth Registry System. We included term deliveries in which vaginal birth was attempted. Umbilical cord length was categorized into four groups: less than the first percentile, from the first percentile to less than the 10th percentile, from the 10th percentile to less than 25th percentile, and from the 25th percentile to less than the 75th percentile, which constituted the control group. Cord lengths of 33, 43, 48, 63 cm corresponded to the first, 10th, 25th, and 75th percentile values of the cord length distribution, respectively. Statistically significant differences were observed in the rate of unplanned cesarean delivery for all three short cord groups compared to control. There was a higher odds ratio for unplanned cesarean delivery as the umbilical cord became shorter.

Declaration of interest

The authors have no financial interest to disclose. The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the article.

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