The practice of obstetrics, designed for the use of students and practitioners of medicine . ngages and descends. The occipito-frontal diameter of the head enters thepelvis in its right oblique diameter. Inperfect flexion of the head and normalposture of the child the vertex or occi-put is the only prominent or project-ing portion. Consequently at the pel-vic floor it is this pole of the headwhich alone meets with any resistanceand, following the usual law, is de-flected anteriorly, bringing the longdiameter of the head into that of theoutlet. Anterior rotation of the occi-put we know clinical
The practice of obstetrics, designed for the use of students and practitioners of medicine . ngages and descends. The occipito-frontal diameter of the head enters thepelvis in its right oblique diameter. Inperfect flexion of the head and normalposture of the child the vertex or occi-put is the only prominent or project-ing portion. Consequently at the pel-vic floor it is this pole of the headwhich alone meets with any resistanceand, following the usual law, is de-flected anteriorly, bringing the longdiameter of the head into that of theoutlet. Anterior rotation of the occi-put we know clinically rarely fails, andthen because of an extended head orsome anomaly either in the shape ofthe head or in the parturient with head rotation, slightrestitution of the trunk, bringing thefetal dorsum to the front, is sometimesobserved. (6) Expulsion of the head:Although acting at a disadvantage byreason of the relatively small size ofthe head, the uterus by contractingacts upon the vault of the occiput still being the projectingand prominent portion of the Fig. 710.—Delivery of theHead with the Occiput After-comingAnterior.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
