The Dublin practice of midwifery / By Henry Maunsell.

  • Henry Maunsell
Date:
1834
Catalogue details

Licence: Public Domain Mark

Credit: The Dublin practice of midwifery / By Henry Maunsell. Source: Wellcome Collection.

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    1 The breech is usually transmitted through th^ outlet with one hip directed obliquely toward th( pubis, and the other toward the sacrum. The shoulders pass the brim with their breadth in the line of the oblique diameter, but, in passing the outlet, have their position changed, being then in- clined, the one toward the pubis, and the other toward the sacrum: by this inclination the head is brought through the brim with the forehead towards the sacro-iliac synchondrosis, and the occiput toward the opposite acetabulum. The shoulders having been expelled, the face turns into the hollow of the sacrum, the chin is depressed toward the chest, and so escapes posteriorly; and, lastly, the vertex passes out from under the pubis. In the second species, when the face of the child is at first inclined anteriorly, a complete turn is most usually subsequently effected, so as to bring the face into the hollow of the sacrum, as in the first species. Sometimes, however, in these cases, the head, instead of being flexed, is extended, the occiput depressed upon the nape of the neck, and the vertex turns into the hollow of the sacrum. The chin then rests upon the pubis, and the occiput first passes out posteriorly. The above observations, with the exception of those relating to the passage of the nates, apply accurately to foot and knee presentations. Presentations of the upper extremities, or side of the body,—In these presentations the child lies
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