American Journal of Obstetrics & Gynecology
Volume 201, Issue 3 , Pages 227-229 , September 2009

A new classification of placenta previa: Measuring progress in obstetrics

  • Lawrence W. Oppenheimer, MD, FRCOG, FRCSC

      Affiliations

    • Division of Maternal Fetal Medicine, University of Ottawa, Ottawa Hospital General Campus, Ottawa, Ontario, Canada
    • ,
  • Dan Farine, MD, FRCSC

      Affiliations

    • Division of Maternal Fetal Medicine, University of Toronto, Mount Sinai Hospital, Toronto, Ontario, Canada

  • Image Result

    Transvaginal sonogram

    The tip of the probe is located at the top of the picture. The cervical canal is seen in the upper half of the image, and a posterior placenta is seen in the lower half of the ima

    Transvaginal sonogram

    The tip of the probe is located at the top of the picture. The cervical canal is seen in the upper half of the image, and a posterior placenta is seen in the lower half of the image, with the placental edge lying 7 mm away from the internal cervical os. Part of the fetal head is seen on the left side.

    Oppenheimer. A new classification of placenta previa. Am J Obstet Gynecol 2009.

PII: S0002-9378(09)00630-9

doi: 10.1016/j.ajog.2009.06.010

American Journal of Obstetrics & Gynecology
Volume 201, Issue 3 , Pages 227-229 , September 2009

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