. Modern medicine and bacteriological review. th one handkerchief rolled as acravat, and applied so as to give a fixedpoint, a second may serve to secure adressing, as in Figs. 37 and 38, wherethe shoulder and hip are seen covered examples may suffice. (9) The square handkerchief .—A goodhead-dressing may be formed from a 14 ADVERTISEMENTS. Specimen page from System of Obstetrics. Mechanism of Accouchement.—Foetal Phenomena. 207 bo that the head is placed in the occipito-pubic position. Whetherfirst to last, then, the head becomes occipito-pubic in issuing fromthe genital organs. 0. Di
. Modern medicine and bacteriological review. th one handkerchief rolled as acravat, and applied so as to give a fixedpoint, a second may serve to secure adressing, as in Figs. 37 and 38, wherethe shoulder and hip are seen covered examples may suffice. (9) The square handkerchief .—A goodhead-dressing may be formed from a 14 ADVERTISEMENTS. Specimen page from System of Obstetrics. Mechanism of Accouchement.—Foetal Phenomena. 207 bo that the head is placed in the occipito-pubic position. Whetherfirst to last, then, the head becomes occipito-pubic in issuing fromthe genital organs. 0. Disengagement of the head.—The head, generally aided by theaccoucheur, is disengaged by a swinging movement, or by a hingemovement around the pubes, analogous to that of the vertex pre-eensation, but the head being turned in the opposite direction theresuccessively escape from the vulva, at the fourchette, the chin, themouth, the nose, the eyes, and the forehead; after the passage ofthe frontal protuberances the head escapes brusquely. s. FlG. 254.—Successive disengagement of the trunk (variety of the buttocks is hererepresented; disengagement is the same, with complete breech). Mechanism in each position and in each variety of presentation. —Position (complete breech). — L S I A has been taken as the typeand described above. ESI A.—The right buttock turns forward from left to right to beplaced under the pubes. The rotation of the occiput is always madeunder the symphysis and disengagement is occipito-pubic. LSI P.—The left buttock turns forward and from left to right. E S I P. —The right thigh turns forward and from right to left. Varieties of presentation.—The complete breech has been taken asthe type of the mechanism. All that has been said applies to thisvariety. Incomplete breech, variety of the buttocks.—The engagement in thisvariety often occurs during pregnancy. This precocity is due tothe relative diminution of the festal pelvis by the extension of
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmedicine, bookyear189
