References
- Heinonen S, Ryynanen M, Kirkinen P, Saarlosky S. Perinatal diagnostic evaluation of velamentous umbilical cord insertion: Clinical, Doppler, and ultrasonic findings. Obstet Gynecol 1996;87:112–117.
- Utsu M. Prediction of abnormal fetal outcome with the ultrasonic diagnosis of placenta, amniotic fluid and umbilical cord. In: Takeuchi H, Nakano H, editors. Atlas of ultra-sound diagnosis in obstetrics and gynecology. Tokyo: Tokyo-Igakusha; 2002. pp 93–99.
- Hon EH. An atlas of fetal heart rate patterns. New Haven, CT: Harty Press; 1968.
- Bajoria R. Vascular anatomy of monochorionic placenta in relation to discordant growth and amniotic fluid volume. Hum Reprod 1998;13:2933–2940.
- Genest DR. Estimating the time of death in stillborn fetuses. II. Histologic evaluation of the placenta; a study of 71 still-borns. Obstet Gynecol 1992;80:585–592.
- Sepulveda W, Rojas I, Robert JA, Schnapp C, Alcalde JL. Prenatal detection of velamentous insertion of the umbilical cord: a prospective color Doppler ultrasound study. Ultra-sound Obstet Gynecol 2003;22:327.
- Timor-Tritsch IE, Rebarbar A, MacKenzie A, Caglione CF, Young BK. Four-dimensional real-time sonographycally guided cauterization of the umbilical cord in a case of twin-twin transfusion syndrome. J Ultrasound Med. 2003:22: 741–746.
- Westergaad HB, Langhoff-Roos J, Lingman G, et al. A critical appraisal of umbilical artery Doppler ultrasound in high-risk pregnancies; Use of meta-analyses in evidence-based obstetrics. Ultrasound Obstet Gynecol 2001;17:446–476.
- Mandruzzato G, Maso G, Meir YJ. Doppler study of fetal circulation. In: Kurjak A, Chervenak FA, editors. Donald School Textbook of Ultrasound in Obstetrics & Gynecology. New Dehli: Jaypee; 2004. pp 422–426.
- Utsu M. Perinatal assessment of excessively twisted umbilical cord. Sanka To Fujinka (Japnese) 1995;62:703–714.
- Kraus FT, Redline RW, Gersell DJ, Nelson DM, Dicke J. Placental Pathology. Atlas of non-tumor pathology. Washing-ton, DC: American Registry of Pathology & Armed Forces Institute of Pathology; 2004. pp 141 -156.