Journal of Medical Ultrasonics

, Volume 42, Issue 2, pp 295–296 | Cite as

Descendent migration in vasa previa

  • Junichi HasegawaEmail author
  • Hiroko Takita
  • Tatsuya Arakaki
  • Akihiko Sekizawa
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Vasa previa Migration Velamentous cord insertion Placenta previa Amniotic membrane 


Conflict of interest

There are no financial or other relations that could lead to a conflict of interest.

Ethical standard

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008 (5). Informed consent was obtained from all patients for being included in the study.


  1. 1.
    Oppenheimer L, Holmes P, Simpson N, et al. Diagnosis of low-lying placenta: can migration in the third trimester predict outcome? Ultrasound Obstet Gynecol. 2001;18:100–2.CrossRefPubMedGoogle Scholar

Copyright information

© The Japan Society of Ultrasonics in Medicine 2014

Authors and Affiliations

  • Junichi Hasegawa
    • 1
    Email author
  • Hiroko Takita
    • 1
  • Tatsuya Arakaki
    • 1
  • Akihiko Sekizawa
    • 1
  1. 1.Department of Obstetrics and GynecologyShowa University School of MedicineTokyoJapan

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