References
- Hasegawa J, Matsuoka R, Ichizuka K, et al. Ultrasound diagnosis and management of umbilical cord abnormalities. Taiwan J Obstet Gynecol. 2009;48(1):23–27.
- Vintzileos AM, Ananth CV, Smulian JC. Using ultrasound in the clinical management of placental implantation abnormalities. Am J Obstet Gynecol. 2015;213(4 Suppl):S70–S77.
- Vahanian SA, Lavery JA, Ananth CV, et al. Placental implantation abnormalities and risk of preterm delivery: a systematic review and metaanalysis. Am J Obstet Gynecol. 2015;213(4 Suppl):S78–S90.
- Brouillet S, Dufour A, Prot F, et al. Influence of the umbilical cord insertion site on the optimal individual birth weight achievement. BioMed Res Int. 2014;2014:341251.
- Hasegawa J, Matsuoka R, Ichizuka K, et al. Do fetal heart rate deceleration patterns during labor differ between various umbilical cord abnormalities? J Perinat Med. 2009;37(3):276–280.
- Hasegawa J, Matsuoka R, Ichizuka K, et al. Velamentous cord insertion into the lower third of the uterus is associated with intrapartum fetal heart rate abnormalities. Ultrasound Obstet Gynecol. 2006;27(4):425–429.
- Bjøro K Jr, Gross pathology of the placenta in intrauterine growth retardation. Ann Chir Gynaecol. 1981;70(6):316–322.
- Ebbing C, Kiserud T, Johnsen SL, et al. Prevalence, risk factors and outcomes of velamentous and marginal cord insertions: a population-based study of 634,741 pregnancies. PLoS One. 2013;8(7):e70380.
- Luo G, Redline RW. Peripheral insertion of umbilical cord. Pediatr Dev Pathol. 2013;16(6):399–404.
- Brody S, Frenkel DA. Marginal insertion of the cord and premature labor. Am J Obstet Gynecol. 1953;65(6):1305–1312.
- Davies BR, Casanueva E, Arroyo P. Placentas of small-for-dates infants: a small controlled series from Mexico City, Mexico. Am J Obstet Gynecol. 1984;149(7):731–736.
- Tufail S, Nawaz S, Sadah S, et al. Association between battledore placenta and perinatal complications. J Rawalpindi Med Coll. 2012;16(2):159–161.
- Boulis TS, Rochelson B, Meirowitz N, et al. Is velamentous/marginal cord insertion associated with adverse outcomes in singletons? Am J Obstet Gynecol. 2013;208(1):S79–SS80.
- Feldman D, Koning K, Bobrowski R, et al. Clinical implications of prenatally diagnosed marginal placental cord insertion. Am J Obstet Gynecol. 2004;191(6):S176.
- Liu CC, Pretorius DH, Scioscia AL, et al. Sonographic prenatal diagnosis of marginal placental cord insertion: clinical importance. J Ultrasound Med. 2002;21(6):627–632.
- Uyanwah-Akpom P, Fox H. The clinical significance of marginal and velamentous insertion of the cord. Br J Obstet Gynaecol. 1977;84(12):941–943.
- Pathak S, Hook E, Hackett G, et al. Cord coiling, umbilical cord insertion and placental shape in an unselected cohort delivering at term: relationship with common obstetric outcomes. Placenta. 2010;31(11):963–968.
- Sabnis AS, More RM, Mali S, et al. Umbilical cord morphology and its clinical significance. Med Case Rep. 2012;3(1):30–33.
- Nallasivam D, Kuruvila SK. A study of correlation between placental and umbilical cord abnormalities and foetal outcome of patients delivering at a tertiary care hospital. JEBMH. 2016;3(53):2738–2740.
- Carbone J, Feldman D, Lazarus S, et al. Clinical implications of prenatally diagnosed marginal placental cord insertion. Am J Obstet Gynecol. 2008;199(6):S187.
- AIUM practice parameter for the performance of obstetrical ultrasound examinations [cited 2017 March 13]. Available from: http://www.aium.org/resources/guidelines/obstetric.pdf
- Merz E, Bahlmann F. Ultrasound in obstetrics and gynecology. New York (NY): Thieme Medical Publishers; 2005.
- Doubilet PM, Benson CB. Atlas of ultrasound in obstetrics and gynecology. Philadelphia (PA): LippincottWilliams & Wilkins; 2003.
- Brouillet S, Dufour A, Prot F, et al. Influence of the umbilical cord insertion site on the optimal individual birth weight achievement. BioMed Res Int. 2014;34:1251.
- Nordenvall M, Sandstedt B, Ulmsten U. Relationship between placental shape, cord insertion, lobes and gestational outcome. Acta Obstet Gynecol Scand. 1988;67(7):611–616.
- Salafia CM, Yampolsky M, Shlakhter A, et al. Variety in placental shape: when does it originate? Placenta. 2012;33(3):164–170.
- Hertig AT. Human trophoblast: normal and abnormal. A plea for the study of the normal so as to understand the abnormal. Ward Burdick Award Address. Am J Clin Pathol. 1967;47(3):249–268.
- Yampolsky M, Salafia CM, Shlakhter O, et al. Centrality of the umbilical cord insertion in a human placenta influences the placental efficiency. Placenta. 2009;30(12):1058–1064.
- Kent EM, Breathnach FM, Gillan JE, et al. Placental cord insertion and birthweight discordance in twin pregnancies: results of the national prospective ESPRiT Study. Am J Obstet Gynecol. 2011;205(4):376.e1–376.e7.
- Hubinont C, Lewi L, Bernard P, et al. Anomalies of the placenta and umbilical cord in twin gestations. Am J Obstet Gynecol. 2015;213(4 Suppl):S91–SS102.