• J K Pollard, W L Leaphart, T E Braun, and E L Capeless.
• Department of Obstetrics and Gynecology, University of Vermont, Burlington, USA.
• Obstet Gynecol. 1996 May 1; 87 (5 Pt 2): 822-3.

BackgroundEntrapment of the aftercoming head after mentum anterior rotation is a life-threatening complication of vaginal breech delivery. Few options exist when rotation and flexion from this position cannot be performed successfully either transabdominally or with vaginal maneuvers.CaseA term primigravida presented with a singleton breech in advanced labor. The fetal torso and arms delivered vaginally, but the aftercoming head became extended and was entrapped in a mentum anterior position. The fetal head could not be rotated and flexed, either vaginally or transabdominally with suprapubic pressure. Laparotomy and hysterotomy were performed, and vaginal delivery of a live fetus was accomplished after rotation and flexion of the fetal head through this incision.ConclusionHysterotomy is a safe and effective maneuver for delivery of the entrapped fetal head with mentum anterior rotation after standard procedures have failed.

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