. An American text-book of obstetrics. For practitioners and students. Fig. 321.—Cystic enchondroma (Zweifel). Fig. 322.—Button-like exostosis on the promontory (Schauta). that the obstruction is a serious one in spite of the flexibility of the pelvicbones, by reason of which flexibility in some cases the head can distend thepelvic canal sufficiently to pass through. In 85 cases collected by Litzmannforty-seven ended fatally. In another series of 128 cases the labor had aspontaneous termination in twenty-seven cases, in four there was prematuredelivery, and in five abortion ; four times the la


. An American text-book of obstetrics. For practitioners and students. Fig. 321.—Cystic enchondroma (Zweifel). Fig. 322.—Button-like exostosis on the promontory (Schauta). that the obstruction is a serious one in spite of the flexibility of the pelvicbones, by reason of which flexibility in some cases the head can distend thepelvic canal sufficiently to pass through. In 85 cases collected by Litzmannforty-seven ended fatally. In another series of 128 cases the labor had aspontaneous termination in twenty-seven cases, in four there was prematuredelivery, and in five abortion ; four times the labor was naturally terminated;in eight cases version was performed, in four the child was extracted by thefeet, in twenty-five forceps was employed, in eleven craniotomy was performed,and in thirty-six Cesarean section ; rupture of the uterus occurred in fivewomen before any operation was undertaken. In still another series of casesreported from Milan the flexibility of the pelvis was so great that the childwas delivered in only two instances by Cesarean section.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectobstetrics, bookyear1