A textbook of obstetrics . Fig. 274.—Effect of different heights of the symphysis upon the relationship betweenthe true and the diagonal conjugate diameter (Ribemont-Dessaignes).. Fig- 275-—Effect of the lessened slant outward of the symphysis in a rachiticpelvis upon the relationship between the true and the conjugate diameter Ribemont-Dessaignes . 27 4i8 THE PATHOLOGY OF LABOR. estimation of the true conjugate, having demonstrated its supe-rior accuracy in practice. For taking this measurement thepatient is put in the dorsal posture, with the buttocks projectingbeyond the vl\^c of the table


A textbook of obstetrics . Fig. 274.—Effect of different heights of the symphysis upon the relationship betweenthe true and the diagonal conjugate diameter (Ribemont-Dessaignes).. Fig- 275-—Effect of the lessened slant outward of the symphysis in a rachiticpelvis upon the relationship between the true and the conjugate diameter Ribemont-Dessaignes . 27 4i8 THE PATHOLOGY OF LABOR. estimation of the true conjugate, having demonstrated its supe-rior accuracy in practice. For taking this measurement thepatient is put in the dorsal posture, with the buttocks projectingbeyond the vl\^c of the table or bed on which she lies. A markwith the point o\ a lead-pencil is made on the skin over thesymphysis pubis, about % of an inch below the upper two fingers of the left hand are inserted in the vagina, asin measuring the diagonal conjugate. The tip of the middlefinger, having found the middle line of the promontory, ismoved a little to the patients right, and tip I) of the pelvimeter,shown in figure 278, is made to take its place. While theexamining physician holds the shaft of the pelvimeter firmly in


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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics