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© 2004 by the American Institute of Ultrasound in Medicine
J Ultrasound Med 23:43-47 • 0278-4297

Outcomes of Pregnancies With Sonographically Detected Nuchal Cords Remote From Delivery

Víctor Hugo González-Quintero, MD, MPH, Lama Tolaymat, MD, MPH, Antoaneta Canache Muller, MD, Luis Izquierdo, MD, Mary J. O’Sullivan, MD and Dibe Martin, MD

Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Miami School of Medicine, Miami, Florida USA.

Address correspondence and reprint requests to Víctor Hugo González-Quintero, MD, MPH, University of Miami, PO Box 016960 (R-136), Miami, FL 33101 USA. E-mail: vhgonzalez{at}med.miami.edu.

Objective. To evaluate the outcomes of pregnancies with sonographically detected nuchal cords remote from delivery during the second and third trimesters of gestation. Methods. A retrospective study of patients with and without nuchal cords detected by sonography during the second and third trimesters of gestation (17–36 weeks) was conducted. Variables included maternal age, parity, gestational age at sonography and at delivery, method of delivery, intrapartum fetal heart abnormalities, meconium-stained amniotic fluid, birth weight, 5-minute Apgar score, and neonatal intensive care unit admissions. Results. A total of 233 patients were included in this study, of which 118 had sonographically detected nuchal cords identified in our department during the study period. There were no statistically significant differences between patients with sonographically detected nuchal cords and control patients with respect to maternal age, estimated gestational age at sonography, method of delivery, meconium-stained fluid, birth weight, intrapartum fetal heart abnormalities, 5-minute Apgar scores of less than 7, and neonatal intensive care unit admissions. Patients with nuchal cords detected by sonography were more likely to give birth before 37 weeks’ gestation than control patients (21% versus 11%; P = .040). Conclusions. A sonographically detected nuchal cord is not associated with important perinatal complications.

Key Words: color Doppler flow • nuchal cord • prenatal diagnosis

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Copyright © 2004 by the American Institute of Ultrasound in Medicine.