Umbilical Cord Coiling in High-risk Pregnancies: Associations With Determinants of Adverse Birth Outcomes and Iron Status - Gabrielle K Steinl, Jocelyn S Gandelman, Philip J Katzman, Yuan Ru, Ronnie Guillet, Eva Pressman,
Gross patterns of umbilical cord coiling: Correlations with placental histology and stillbirth - ScienceDirect
An observation of umbilical coiling index in a low risk population in Nigeria
Umbilical Cord - FamilyEducation
Prenatal ultrasonographic prediction of the umbilical coiling index at birth and adverse pregnancy outcome - De Laat - 2006 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library
Amnioinfusion and Bed Rest May Effectively Improve the Insufficient Circulation of the Umbilical Cord in Pregnant Women With Hyper-Coiled Cord and Oligohydramnios | Nakamura | Journal of Medical Cases
Prenatal ultrasonographic prediction of the umbilical coiling index at birth and adverse pregnancy outcome - De Laat - 2006 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library