A treatise on the science and practice of midwifery . r and the child small; and that it almost necessarilyinvolves the death of the foetus, on account of the immense pressureto which it is subjected. Two varieties are described, in one of which the head is first born,in the other the breech; in both the originally presenting arm re-mains prolapsed. The former is of extreme rarity, and is believedonly to have happened with very premature children, whose bodieswere small and flexible, and when traction had been made on thepresenting arm. Under such circumstances it can hardly be called a 1 Ann.
A treatise on the science and practice of midwifery . r and the child small; and that it almost necessarilyinvolves the death of the foetus, on account of the immense pressureto which it is subjected. Two varieties are described, in one of which the head is first born,in the other the breech; in both the originally presenting arm re-mains prolapsed. The former is of extreme rarity, and is believedonly to have happened with very premature children, whose bodieswere small and flexible, and when traction had been made on thepresenting arm. Under such circumstances it can hardly be called a 1 Ann. de Gyneclogie, v. v. 1876. 316 LABOR. natural process, and we may confine our attention to the latter andmore common variety. What takes place is as follows: The presenting arm and shoulderare tightly jammed down, as far as is possible, by the uterine con-tractions, and the head becomes strongly flexed on the shoulder. As Fig. Commencing Spontaneous Evolution. much of the body of the foetus as the pelvis will contain becomesengaged, and then a movement of rotation occurs, which brings thebody of the child nearly into the antero-posterior diameter of thepelvis (Fig. 113). The shoulder now projects under the arch of the Fig. 114.
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Keywords: ., bookcentury1800, bookdecade1870, bookidtre, booksubjectobstetrics
