A treatise on the science and practice of midwifery . Irregular Contraction of the Uterus, with Encystment of the Placenta. more or less paralyzed, with the placenta still attached, while theremainder of the body of the uterus contracts firmly, and thus encyst-ment is produced. Causes of Irregular Contractions.—These irregular contractions ofthe uterus are by no means so common as our older authors they do occur I believe them almost invariably to depend ondefective management of the third stage of labor. The most fre-quent cause, says Rigby,1 is from over anxiety to remove thepl


A treatise on the science and practice of midwifery . Irregular Contraction of the Uterus, with Encystment of the Placenta. more or less paralyzed, with the placenta still attached, while theremainder of the body of the uterus contracts firmly, and thus encyst-ment is produced. Causes of Irregular Contractions.—These irregular contractions ofthe uterus are by no means so common as our older authors they do occur I believe them almost invariably to depend ondefective management of the third stage of labor. The most fre-quent cause, says Rigby,1 is from over anxiety to remove theplacenta; the cord is frequently pulled at, and at length the os uteriis excited to contract. While this is being done, no attempts areprobably being made to excite the fundus to proper action, and,therefore, the hour-glass contraction is established. Duncan says ofthis condition : Hour-glass contraction cannot exist unless the partsabove the contraction are in a state of inertia; were the higherparts of the uterus even in moderate action, the hour-


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Keywords: ., bookcentury1800, bookdecade1870, bookidtre, booksubjectobstetrics