A system of obstetrics . n suffering with osteomalacia who hadnever been pregnant, and of the other 29, 14 who had had from fourto ten pregnancies, 6 one to three, and 4 who had been pregnant butonce. Nevertheless, as these statistics prove, the majority of casesof the disease are connected with pregnancy. It may appear duringgestation or in the puerperium ; once begun, the disease is aggravatedby succeeding pregnancies, especially if the intervals are short. It is impossible to satisfactorily explain the anomaly of nutritionwhich is essential to the disorder. While true that the disease hasne
A system of obstetrics . n suffering with osteomalacia who hadnever been pregnant, and of the other 29, 14 who had had from fourto ten pregnancies, 6 one to three, and 4 who had been pregnant butonce. Nevertheless, as these statistics prove, the majority of casesof the disease are connected with pregnancy. It may appear duringgestation or in the puerperium ; once begun, the disease is aggravatedby succeeding pregnancies, especially if the intervals are short. It is impossible to satisfactorily explain the anomaly of nutritionwhich is essential to the disorder. While true that the disease hasnever been observed in women comfortably situated in life, even thelack of good nourishment, miserable and damp dwellings, a diet exclu-sively of potatoes or of rice, cannot be regarded as the absolute causeof the disease, though the conditions just stated are undoubtedly pre-disposing causes. If deficient nourishment of the bones in the largemajority is the sole cause, so that the bones, losing their earthy ele- Fig. Osteomalacic Pelvis, showing the beak-like shape of the pubes. mcnts, are softened, then osteomalacia would be much more fact that is Inexplicable is, that the disease occurs usually only rarelyand sporadically, but in some countries very frequently, so that it may 742 ANOMALIES OF THE FORCES IN LABOR. be called endemic; thus it is found on the banks of the lower Rhineand in the adjacent valleys, in East Flanders, and on the plains of thePo. The fact of its frequently being seen in India has previouslybeen stated. The changes in the spinal column and in the pelvis result from soft-ening of the bones affected by pressure and by traction. The spinalcolumn, corresponding to its normal curvatures, is pressed by theweight of the body, and hence follow kyphoses, kypho-scolioses, andlordoses. The weight of the body causes by its pressure upon thesacrum pushing of the promontory downward and forward, and thesacrum draws anteriorly the posterior halves of th
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectobstetrics, bookyear1
