. Obstetrics: the science and the art. plore a region four and a half inches distant from thecrown of the arch ; but as the introduction of half the hand in thewoman not in labor or affected only with the earliest stages of labor,is so painful as to excite repugnance and resistance on the part ofthe patient, the vaginal taxis alone is generally preferred. Supposethere should be some suspicion of a deviation ?n*„ lift . ^ of the pelvis—one in which the pubis has re- treated towards the sacrum, or one in whichthe promontorium has descended towards thesymphysis. If he should carry his indicatorfi
. Obstetrics: the science and the art. plore a region four and a half inches distant from thecrown of the arch ; but as the introduction of half the hand in thewoman not in labor or affected only with the earliest stages of labor,is so painful as to excite repugnance and resistance on the part ofthe patient, the vaginal taxis alone is generally preferred. Supposethere should be some suspicion of a deviation ?n*„ lift . ^ of the pelvis—one in which the pubis has re- treated towards the sacrum, or one in whichthe promontorium has descended towards thesymphysis. If he should carry his indicatorfinger as in the annexed figure, directing ittowards the promontory of the sacrum, and invain endeavor to touch the sacro-vertebral angle,his exploration will teach him at once andclearly that his patient has nothing to fear onthis head; but if he can readily touch it, as inthe figure, then she has a deformed pelvis, pro-portional to the facility of the touch. If, again,the point of the coccyx, which can always be touched with the. DEFORMED PELVIS. 527 Fig. 117. indicator finger, is found not to approacli too close to tlie crown ofthe pubal arch, uneasy apprehensions on this head are at once setaside. As for the mensuration of the transverse diameters of theinferior strait of the pelvis, the least tact, with but little experience,would show that that strait is or is not normal, and to what degreedeviated, if at all. If, however, upon introducing the index finger,it should at once encounter the sacro-vertebral angle, by pressingthe point of the finger against the protuberance, and lifting its radialedge up to the crown of the arch, he can mark the point of contactwhith the top of the arch, and then, measuring the distance to thepoint of the finger, he will have an accurate report of the antero-posterior diameter. It appears to me that there is no necessity totrouble ones self to make a provision of callipers to measure thepelvis externally, to get a report of the internal diam
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectobstetrics, bookyear1
