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Updated: Aug 7, 2026

A Rat Model of Mild Intrauterine Hypoperfusion with Microcoil Stenosis
Published on: January 7, 2018
The umbilical coiling index and adverse perinatal outcome
M Kashanian1, A Akbarian, J Kouhpayehzadeh
1Iran University of Medical Sciences, Department of Obstetrics and Gynecology, Akbarabadi Teaching Hospital, Tehran, Iran. maryamkashanian@yahoo.com <maryamkashanian@yahoo.com>
Objective:
Evaluation of the relationship between umbilical coiling index (UCI) and adverse perinatal outcome.
Method:
A prospective study was performed on 699 pregnant women who were 37-40 weeks. UCI was determined by dividing the total number of the complete vascular coiling by the total umbilical cord length in centimeters. Then the relationship between UCI and neonatal weight, amniotic fluid index, meconium, Apgar score, and fetal distress were evaluated.
Results:
There was a significant difference between normo- and hypocoiled groups according to the Apgar score less than 7 in minute 5, AFI
Conclusion:
Abnormal UCI may relate to adverse perinatal outcome.
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