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Uterine inversion is a potentially fatal childbirth complication with a maternal survival rate of about 85%. It occurs when the placenta fails to detach from the uterus as it exits, pulls on the inside surface, and turns the organ inside out. It is very rare. ==Causes== * Fundal pressure * Congenital weakness * Excess cord traction during the 3rd stage of labor * Precipitate delivery * Uterine weakness * short umbilical cord It is more common in multiple gestation than in singleton pregnancies. Incidence 1/2000 pregnancies 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「uterine inversion」の詳細全文を読む スポンサード リンク
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