Elements of the principles and practice of midwifery . er the posterior commissure ofthe perineum. When the occiput has been delivered, it will benecessary, if the pains are not sufficient, to change the direction ofour traction, by drawing gently downward and backward, so asto allow the escape of the forehead, face, &c. In the left Occipito-cotylaid Position.—In this position, the headis placed obliquely in the pelvis, but still it will be necessary toplace the blades along the side of the head, which will of coursegive to the instrument when applied an oblique position as itregards the pelvi
Elements of the principles and practice of midwifery . er the posterior commissure ofthe perineum. When the occiput has been delivered, it will benecessary, if the pains are not sufficient, to change the direction ofour traction, by drawing gently downward and backward, so asto allow the escape of the forehead, face, &c. In the left Occipito-cotylaid Position.—In this position, the headis placed obliquely in the pelvis, but still it will be necessary toplace the blades along the side of the head, which will of coursegive to the instrument when applied an oblique position as itregards the pelvis; its concave edge will look towards the left ace-tabulum, and one of the blades will be placed in the anterior,and the other in the posterior part of the pelvis. The branchwhich is to lie in the posterior part of the pelvis, and to the left side,must be introduced first; this will, of course, be the male introduction may be effected, as has already been described,with this exception, that it will not be necessary to glide the blade. FORCEPS. 363 Fig. 40. forward from its original position, in front of the sacro-sciatic liga-ments. The female branch must also be introduced (of coursebeing above the male) in front of the sacro-iliac symphysis, andwhen thus placed, its blade must be glided by the spiral movementto which we have before alluded, so as to rest its convex surfacebehind the right cotyloid cavity. When the instrument is thus applied, it will easily lock, and ourtraction should be commenced in a line with the axis of the inferiorstrait, gradually, at the same time, rotating the occiput under thesymphysis pubis, so as to bring the concave edge of the forcepsunder the pubic arch. The rest of the delivery is accomplishedin the usual way. In the right occipito-sacro-iliac position, the head is placedobliquely in the pelvis, and the occiput looks posteriorly, and tothe right side. It is evident that in the application of the forceps,the same oblique position wi
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