The practice of obstetrics, designed for the use of students and practitioners of medicine . part, when pregnancy occurs it hangs far for-ward and downward in a characteristic manner. Besides walking late, the ra-chitic child is late in teething. Not infrequently a double sacral promontory isobserved in these patients. In some cases the lumbar vertebras are curved inwardso far that they offer an obstruction above the brim. This results from rachitisof the spine. In measuring the effective conjugate from the symph^^sis the outerpoint must be taken above the sacrum. To differentiate this pelvis
The practice of obstetrics, designed for the use of students and practitioners of medicine . part, when pregnancy occurs it hangs far for-ward and downward in a characteristic manner. Besides walking late, the ra-chitic child is late in teething. Not infrequently a double sacral promontory isobserved in these patients. In some cases the lumbar vertebras are curved inwardso far that they offer an obstruction above the brim. This results from rachitisof the spine. In measuring the effective conjugate from the symph^^sis the outerpoint must be taken above the sacrum. To differentiate this pelvis from that ofosteomalacia is not difficult, for there are characteristics belonging to the latterwhich clearly distinguish it, and, besides, the other rachitic signs come into play—those found elsewhere in the body and the direction of the crests of the the disease has run its course the consistency of the bones is farm and Osteomalacia. Osteomalacic Pelvis (Figs. 844 to 848).—In English worksthe disease is called malacosteon. The pelvis in a patient suffering from. Fig. 843.—-Diameters of the Iliac Spines andCrests in a Rachitic Pelvis Compared. ,Intercristal diameter; , interspinal diameter. MATERNAL DYSTOCIA FROM OBSTRUCTED LABOR. 635 this disease is called the osteomalacic, malacosteon, or Y-shaped is also known as the beak-shaped or rostrate pelvis. Frequency andetiology: It is rare in America but very common around the head-waters ofthe Rhine. Litzmanns statistics (1892) show that of 131 cases 11 were inmales, 85 in pregnant or puerperal women, and 35 in non-pregnant women. Itis essentially a disease of women, being in them about five times more fre-quent than in men. It occurs during pregnancy or during the disease is caused by the production of soft bone in the adult through theabsorption of lime salts (Fig. 844). This bone is unable to resist pressurewithout being distorted into bizarre forms. It usually occurs
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
