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Jan 2019, Vol 7, Issue 1
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Original Article
Association Between Umbilical Cord Coiling Index and Prenatal Outcomes
Forozan Milani1, Seyedeh Hajar Sharami1, Ehsan Kazemnejad Lili2, Fatemeh Ebrahimi1, Seyedeh Fatemeh Dalil Heirati1
1Reproductive Health Research Center, Department of Obstetrics and Gynecology, Al-Zahra Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
2Faculty of Midwifery and Nursing, Guilan University of Medical Sciences, Rasht, Iran

IJWHR 2019; 7: 085-091
DOI: 10.15296/ijwhr.2019.14
Viewed : 576 times
Downloaded : 543 times.

Keywords : Umbilical cord, Coiling index, Prenatal, Pregnancy outcomes
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Abstract

Objectives: This study aimed to measure the umbilical cord indices (UCIs) after birth and to determine its relationship with prenatal complications.

Materials and Methods: The present analytical cross-sectional study was conducted on all the pregnant women admitted to AlZahra hospital of Rasht. After birth, the umbilical cord was measured in terms of the appearance, number of vascular coils, and umbilical cord length. In addition, the umbilical cord vascular coils index was calculated. Further, maternal and neonatal variables were evaluated.

Results: The mean number of umbilical cord coils, umbilical cord length, and the umbilical cord coiling index for 397 umbilical cords were obtained as 16.02 ± 4.48, 51.6 ± 12.0 and 0.31 ± 0.05 cm, respectively. In evaluating the state of the coil, 9.8% were found as hypocoil while the remaining were either hypercoil (10.3%) or normocoil (79.85%). Furthermore, a significant difference was observed between the umbilical cord coiling index, as well as gestational hypertension and abnormal fetal heart rate (HR) (P < 0.05). In the final logistic regression model, the umbilical cord length was recognized as a predictor variable for neonatal complications. Moreover, in multiple analyses regarding the effects of umbilical cord coiling index on neonatal complications by controlling the interferences, variables such as maternal age and parity in addition to the coil length were considered as predictors of neonatal
complications.

Conclusions: Generally, the abnormal umbilical cord coiling index was associated with pregnancy blood pressure (BP) and abnormal fetus HR. Therefore, diagnosing antenatal umbilical cord coiling index can be helpful in recognition of embryos at risk through a faster treatment process.

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