References
- Todros T, Adamson SL, Guiot C, et al. Umbilical cord and fetal growth- a work shop report. Placenta 2002;23:130–2
- Weissman A, Jakobi P, Bronshtein M, Goldstein I. Sonographic measurements of the umbilical cord and vessels during normal pregnancies. J Ultrasound Med 1994;13:11–4
- Sun Y, Arbuckle S, Hocking G, Billson V. Umbilical cord stricture and intrauterine fetal death. Pediatr Pathol Lab Med 1995;15:723–32
- Weissman A, Jakobi P. Sonographic measurements of the umbilical cord in pregnancies complicated by gestational diabetes. J Ultrasound Med 1997;16:691–4
- Ghezzi F, Raio L, Di Naro E, et al. First-trimester umbilical cord diameter: a novel marker of fetal aneuploidy. Ultrasound Obstet Gynecol 2002;19:235–9
- Nicolaides KH. Nuchal translucency and other first-trimester sonographic markers of chromosomal abnormalities. Am J Obstet Gynecol 2004;191:45–67
- Ghezzi F, Raio L, Di Naro E, et al. First-trimester sonographic umbilical cord diameter and the growth of the human embryo. Ultrasound Obstet Gynecol 2001;18:348–51
- Raio L, Ghezzi F, Di Naro E, et al. Sonographic measurements of the umbilical cord and fetal anthropometric parameters. Eur J Obstet Gynecol Reprod Biol 1999;83:131–5
- Sepulveda W, Peek MJ, Hassan J, Hollingsworth J. Umbilical vein to artery ratio in fetuses with single umbilical artery. Ultrasound Obstet Gynecol 1996;8:23–6
- Axt-Fliedner R, Schwarze A, Kreiselmaier P, et al. Umbilical cord diameter at 11–14 weeks of gestation: relationship to nuchal translucency, ductus venous blood flow and chromosomal defects. Fetal Diagn Therapy 2006;21:390–5
- Von Kaisenberg C, Hyett J. Pathophysiology of increased nuchal translucency. In the 11–14 week scan: the diagnosis of fetal abnormalities. In: Nicolaides KH, Sebire NJ, Snijders RJM, eds. London, UK: Parthenon Publishing Group; 1999:95–113