The principles and practice of obstetrics . LEFT SACRO-POSTEEIOE POSITION. 353 of the sacrum or coccyx to the body of the pubis; inother words, by presenting the base of the cranium,(Plate XXXL, Fig. 153,) or that of the whole head atthe inferior outlet. (Plate XXXL, Fig. 154.) Thehead, in such cases, is arrested above the inferiorstrait, for neither the occipito-mental nor the occipito-frontal can, when the • head is in due proportion, passbetween the coccyx and pubis. The most improper practice has been resorted to inthese instances, even by experienced practitioners, whohave attempted to ac
The principles and practice of obstetrics . LEFT SACRO-POSTEEIOE POSITION. 353 of the sacrum or coccyx to the body of the pubis; inother words, by presenting the base of the cranium,(Plate XXXL, Fig. 153,) or that of the whole head atthe inferior outlet. (Plate XXXL, Fig. 154.) Thehead, in such cases, is arrested above the inferiorstrait, for neither the occipito-mental nor the occipito-frontal can, when the • head is in due proportion, passbetween the coccyx and pubis. The most improper practice has been resorted to inthese instances, even by experienced practitioners, whohave attempted to accomplish delivery by mere forceand not by art; making most powerful traction effortupon the body of the child in the direction of the axisof the inferior strait. By such traction, it is possiblethat the head may be drawn out, the os coccygis yield-ing, and the perineum being much relaxed; the occiputwould then greatly distend the perineum, and the chinwould rise up behind the symphysis, so that the tra-chelo-occipital diameter is forced
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Keywords: ., boo, bookcentury1800, booksubjectobstetrics, booksubjectpregnancy
