Ultrasound evaluation of abnormal umbilical cord coiling in second trimester of gestation in association with adverse pregnancy outcome

Abnormal umbilical cord coiling that is detected at the fetal ultrasound anatomic survey in the second trimester is associated with a higher prevalence of small for gestational age neonates and nonreassuring fetal status in labor. This observation can be used potentially as a predictor of adverse antenatal or perinatal events in future studies.