A text-book of practical obstetrics, comprising pregnancy, labor, and the puerpal state, and obstetric surgery . inarily come in contact. As a rule, these pelves,except the higher grades of rachitic deformity, rarely suggestthemselves from inspection of the general configuration of thepatient. The varieties which are next to be considered are of 24 OBSTETRIC SURGERY. rare occurrence, certainly in English-speaking countries, and, asa rule, the appearance of the woman at once suggests the ex-istence of pelvic deformity. Accurate pelvimetry, however, isnone the less requisite, seeing that due rec
A text-book of practical obstetrics, comprising pregnancy, labor, and the puerpal state, and obstetric surgery . inarily come in contact. As a rule, these pelves,except the higher grades of rachitic deformity, rarely suggestthemselves from inspection of the general configuration of thepatient. The varieties which are next to be considered are of 24 OBSTETRIC SURGERY. rare occurrence, certainly in English-speaking countries, and, asa rule, the appearance of the woman at once suggests the ex-istence of pelvic deformity. Accurate pelvimetry, however, isnone the less requisite, seeing that due recognition of the exactdeformity may, the time being opportune, point infallibly to thenecessity of the induction of premature labor or even to arti-ficial abortion, in order to avoid at term embryotomy of theliving foetus in instances where the indication for the Csesareansection is not absolute, and yet, where this operation cannot, forone or another reason, be deliberately elected. (a) Tlie Transversely Contracted Pelvis.—This type is alsoknown as Robertss pelvis from the fact that he first described Fig. 12.—Robertss Pelvis. The Transversely Contracted Pelvis. It is an uncommon variety of pelvic deformity, only aboutthirteen instances being on record. The chief internal char-acteristic of this pelvis is its division into two halves antero-posteriorly. This is due to progressive narrowing of thetransverse diameter from the brim to the outlet. The conjugatediameter, on the other hand, differs but little, if any, from thenormal. The sinking of the sacrum into the pelvis is marked,the posterior superior spines are close together, and the iliacbones project greatly posteriorly. (b) The Kyphotic Pelvis.—Inspection of the patient andthe antecedent history will at once suggest this deformity. Theetiological cause is Potts disease, and, according as this diseasehas affected one or another portion of the spinal column, the OBSTETRIC DYSTOCIA AND ITS DETERMINATION. 25 anterio
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Keywords: ., bookcentury1800, bookdecade1890, bookpubli, booksubjectobstetrics
