This historic book may have numerous typos and missing text.
Purchasers can download a free scanned copy of the original book
(without typos) from the publisher. Not indexed. Not illustrated.
1886 Excerpt: ...of the excavation, instead of advancing along the
perineum towards the inferior strait, ascends in the curvature of
the sacrum by executing the movement of rotation backwards, and
being at the same time thrown back upon the posterior part of the
chest. While this is going on, the forehead and face descend behind
the pubis and pass downwards and backwards, until the chin engages
under the arch, and then the head, which is completely turned back,
traverses the perineal.strait, as in a face presentation. The
disposition which the inclined plane of the cervix uteri impresses
on the vertex in this position, continues M. Guillemot, is a,
frequent cause of a similar transmutation above the abdominal
strait. The slight backward inclination of the head, which always
exists in these positions, may correct itself when the uterine
contractions, by acting on the foetus, keep the chin applied to the
neck; but, on the other hand, the reversion may be carried still
further, or be entirely completed, if any obstacle impedes the
descent of the occiput into the excavation; finally, in cases of
uterine obliquity, where the inclination of the vertex is greater,
the backward tendency, instead of disappearing, would be increased,
and the occiput would then ascend and ihe forehead descend. Like
the author quoted, I admit the fact, though I think it rare; but I
cannot acknowledge, like him, the truth of the following
proposition, i.e. that if the conditions of transmutation which
then exist may be appreciated by a comparison of the face labors
with those of the occipito-posterior positions, we should not
depart far from the truth (Ibelieve it would be a wide departure)
by announcing that, in every three occipito-posterior positions,
one of them would give rise to a face presentatio...
|Country of origin:
||246 x 189 x 17mm (L x W x T)
||Paperback - Trade
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