The incidence of spontaneous version after failed external cephalic version

Objective The objective of the study was to assess the rate of spontaneous version after failed external cephalic version (ECV) at term. Study design We prospectively collected data from all trials of ECV in our center between January 1997 and June 2005. Collected data included demographic and obste...

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Bibliographic Details
Published in:American journal of obstetrics and gynecology 2007-02, Vol.196 (2), p.157.e1-157.e3
Main Authors: Ben-Meir, Assaf, MD, Elram, Tamar, MD, Tsafrir, Avi, MD, Elchalal, Uriel, MD, Ezra, Yossef, MD
Format: Article
Language:English
Subjects:
breech presentation
Breech Presentation - therapy
cesarean section
external cephalic version
Female
Humans
Incidence
Obstetrics and Gynecology
Pregnancy
Remission, Spontaneous
spontaneous version
Treatment Failure
Version, Fetal - statistics & numerical data
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Summary:Objective The objective of the study was to assess the rate of spontaneous version after failed external cephalic version (ECV) at term. Study design We prospectively collected data from all trials of ECV in our center between January 1997 and June 2005. Collected data included demographic and obstetric parameters. Results Six hundred three ECV attempts were included in the study. Success rates were 72.3% and 46.1% for multiparas and nulliparas, respectively. Of the 226 failed attempts (8 were lost to follow-up), the rate of spontaneous version to vertex presentation before the onset of labor was 6.6%. Of all 15 spontaneous versions, 3 were in the nulliparous group (2.3%) and 12 in the multiparous group (12.5%). Conclusion The incidence of spontaneous version after failed ECV is small, at least in nulliparous women. We recommend that ECV attempts should be undertaken in a setting prepared for elective cesarean section in the event of ECV failure, if vaginal breech delivery is not considered an option, and preferably after 39 weeks to decrease neonatal morbidity from respiratory complications.
ISSN:0002-9378
1097-6868
DOI:10.1016/j.ajog.2006.10.889