Evaluating the Safety of Labour in Women With a Placental Edge 11 to 20 mm From the Internal Cervical Os

Journal of Obstetrics and Gynaecology Canada

Volumn 36, Issue 8, 2014, Pages 674-677

  Al Wadi, Khalid ^a,b   Schneider, Carol ^a   Burym, Craig ^a   Reid, Gregory ^a   Hunt, Jennifer ^a   Menticoglou, Savas ^a  

^a UNIVERSITY OF MANITOBA   (Canada)

^b Women's Specialized Hospital Riyadh   (Saudi Arabia)

Author keywords

Caesarean section; Low lying placenta; Placenta previa; Transvaginal sonography; Trial of labour

Indexed keywords

ADULT; ANTEPARTUM HEMORRHAGE; ARTICLE; CESAREAN SECTION; EMERGENCY SURGERY; FEMALE; HUMAN; INTRAPARTUM HEMORRHAGE; OBSERVATIONAL STUDY; PLACENTA; PLACENTAL EDGE; PREGNANCY OUTCOME; PROSPECTIVE STUDY; TRANSVAGINAL ECHOGRAPHY; VAGINAL DELIVERY; DELIVERY; ECHOGRAPHY; LOW-LYING PLACENTA; PATHOPHYSIOLOGY; PLACENTA PREVIA; POSTPARTUM HEMORRHAGE; PREGNANCY; STATISTICS; TRIAL OF LABOR;

CAESAREAN SECTION; LOW-LYING PLACENTA; PLACENTA PREVIA; TRANSVAGINAL SONOGRAPHY; TRIAL OF LABOUR;

ADULT; DELIVERY, OBSTETRIC; FEMALE; HUMANS; PLACENTA; POSTPARTUM HEMORRHAGE; PREGNANCY; PREGNANCY OUTCOME; PROSPECTIVE STUDIES;

EID: 84908204320     PISSN: 17012163     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1701-2163(15)30508-9     Document Type: Article

References (16)

1. Stander H.J. Hemorrhage. Williams obstetrics 1936, Appleton Century, New York. 7th ed.
2. Cotton D.B., Read J.A., Paul R.H., Quilligan E.I. The conservative aggressive management of placenta previa. Am J Obstet Gynecol 1980, 137:687-695.
3. Smith R.S., Lauria M.R., Comstock C.H., Treadwell M.C., Kirk J.S., Lee W., Bottoms S.F. Transvaginal ultrasonography for all placentas that appear to be low-lying or over the internal cervical os. Ultrasound Obstet Gynecol 1997, 9(1):22-24.
4. Farine D., Peisner D.B., Timor-Tritsch I.E. Placenta previa-is the traditional diagnostic approach satisfactory?. J Clin Ultrasound 1990, 18:328-330.
5. Leerentveld R.A., Gilberts E.C.A., Arnold M.J.C., Waldimiroff J.W. Accuracy and safety of transvaginal sonographic placental localization. Obstet Gynecol 1990, 76:759-762.
6. Oppenheimer L.W., Farine D., Ritchie J.W., Lewinsky R.M., Telford J., Fairbanks L.A. What's a low-lying placenta?. Am J Obstet Gynecol 1991, 165:1036-1038.
7. Trimor-Tritsch I.E., Yunis R.A. Confirming the safety of transvaginal sonography in patients suspected of placenta previa. Obstet Gynecol 1993, 81:742-744.
8. Farine D., Fox H.E., Jakobson S., Timor-Tritsch I.E. Is it really placenta previa?. Eur J Obstet Gynecol Reprod Biol 1989, 31:103-108.
9. Oppenheimer L. SOGC Maternal Fetal Medicine Committee. Diagnosis and management of placenta previa. SOGC Clinical Practice Guideline no. 189, March 2007. J Obstet Gynaecol Can 2007, 29(3):261-273.
10. Royal College of Obstetricians and Gynaecologists Placenta praevia, placenta praevia accreta and vasa praevia: diagnosis and management January 2011, Green-top guideline No. 27., Available at:, Accessed November 5, 2013. http://www.rcog.org.uk/womens-health/clinical-guidance/placenta-praevia-and-placenta-praevia-accreta-diagnosis-and-management.
11. Dawson W.B., Dumas M.D., Romano W.M., Gagnon R., Gratton R.J., Mowbray R.D. Translabial ultrasonography and placenta previa: does measurement of the os-placenta distance predict outcome?. J Ultrasound Med 1996, 15:441-446.
12. Bhide A., Prefumo F., Moore J., Hollis B., Thilaganathan B. Placental edge to internal os distance in the late third trimester and mode of delivery in placenta praevia. BJOG 2003, 110:860-864.
13. Sallout B., Oppenheimer L.W. The classification of placenta previa based on os-placental edge distance at transvaginal sonography. Am J Obstet Gynecol 2002, 187(6):S94.
14. Vergani P., Ornaghi S., Pozzi I., Beretta P., Russo F.M., Follesa I., Chidini A. Placenta previa: distance to internal os and mode of deliver. Am J Obstet Gynecol 2009, 201:266-268.
15. Bronsteen R., Valice R., Lee W., Blackwell S., Balasubramaniam M., Comstock C. Effect of a low-lying placenta on delivery outcome. Ultrasound Obstet Gynecol 2009, 33:204-208.
16. Oppenheimer L.W., Farine D. A new classification of placenta previa: measuring progress in obstetrics. Am J Obstet Gynecol 2009, 201:227-229.