The Association between Antenatal Umbilical Cord Coiling Index Pattern and Meconium-stained Amniotic Fluid in Gestational Diabetic Mellitus

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Kamolchanok Anusasananant
Sornpin Armarttasn
Budsaba Wiriyasirivaj


Objective: To compare the pattern of antenatal umbilical cord coiling index (aUCI) with meconium-stained amniotic fluid in gestational diabetic mellitus (GDM) women.

Materials and Methods: Gestational diabetic mellitus women between 28 weeks to 32 weeks and 6 days of gestation were included for standard ultrasonography with umbilical cord coiling measurement from a reciprocal value of the distance between a pair of coils (aUCI = 1/distance in cm).   All pregnant women were divided into 2 groups (abnormal aUCI and normal aUCI) and recorded meconium-stained amniotic fluid before delivery.   After delivered, total umbilical cord were measured for postpartum umbilical cord coiling index (pUCI).

Results: Total of 149 GDM women, 58 women were abnormal aUCI (38.93%).  The abnormal aUCI showed significantly association with meconium-stained amniotic fluid (p=0.046), low Apgar score (p=0.023) and neonatal hypoglycemia (p=0.018) when compared with normal aUCI group.   The correlation of aUCI and pUCI was poor (p=0.554).

Conclusion: This study showed that abnormal aUCI in GDM women was significantly associated with meconium-stained amniotic fluid.  However, the aUCI had poorly correlation with pUCI.


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