A system of midwifery . will remain inalmost total ignorance of the whole mechanism of parturition, which must,in great measure, be looked upon as the basis of practical dimensions of the brim cavity and outlet of the pelvis may be givenwith sufficient correctness for all practical purposes, by measuring threeof their diameters,—1. the straight, antero-posterior, or conjugate ; 2. the transverse; and 3. the oblique. At the brim they are as follow: the straight diameter, drawn from the middle of the promontorium sacrito the upper edge of the symphysis pubis, 4-3 inches; the transv
A system of midwifery . will remain inalmost total ignorance of the whole mechanism of parturition, which must,in great measure, be looked upon as the basis of practical dimensions of the brim cavity and outlet of the pelvis may be givenwith sufficient correctness for all practical purposes, by measuring threeof their diameters,—1. the straight, antero-posterior, or conjugate ; 2. the transverse; and 3. the oblique. At the brim they are as follow: the straight diameter, drawn from the middle of the promontorium sacrito the upper edge of the symphysis pubis, 4-3 inches; the transverse di-ameter, from the middle of the linea ilio-pectinea of one ilium to that ofthe other, 5-4 inches; and the oblique diameter, from one sacro-ili?csynchondrosis to the opposite acetabulum, 4-8 inches. The oblique di- THE PELVIS. n ameters are called right and left, according to the sacro-iliac symphysisfrom which they are drawn. In the cavity these dimensions vary more or less. The straight „ 22
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Keywords: ., bookcentury1800, booksubjectmidwifery, booksubjectpregnancycompl
