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[Cardiotocographic findings in silent uterine rupture]
Abstract:
A silent hysterorrhexis in the expulsion phase and a second silent hysterorrhexis in the absence of labor, with the amniotic sac intact and the os uteri one centimeter wide were detected by external cardiotocography. In both cases there was a sudden loss of oscillation and suddenly persistent fetal bradycardia after the cardiotocogram had previously been normal. These findings are in agreement with the six cases of cardiotocographically documented silent hysterorrhexis published hitherto.