A textbook of obstetrics . Shoulder Presentations.—A transverseposition of the child in utero almost always resolves itself intoa shoulder presentation as the result of uterine contraction whenlabor begins. Presentations of the umbilicus (Fig. 253) and oithe back ( Figs. 250, 251) are possibilities, but are extremely presentations are classified according to the positionsof the- back and head. When the head is to the right, the backmay be in front or behind. The same is true when the head isto the left. The back is directed anteriorly twice as often asposteriorly, and the head mo
A textbook of obstetrics . Shoulder Presentations.—A transverseposition of the child in utero almost always resolves itself intoa shoulder presentation as the result of uterine contraction whenlabor begins. Presentations of the umbilicus (Fig. 253) and oithe back ( Figs. 250, 251) are possibilities, but are extremely presentations are classified according to the positionsof the- back and head. When the head is to the right, the backmay be in front or behind. The same is true when the head isto the left. The back is directed anteriorly twice as often asposteriorly, and the head more than twice as often is foundtoward the left-hand side of the maternal pelvis. Diagnosis.—Abdominal palpation reveals tin- fetus in a trans-verse position. The heart-sounds are more distinct .it a pointcorresponding to the interscapular region of the child, but some-times can not be heard. A digital examination shows thecharacteristic anatomical peculiarities of the shoulder and adja- ABNORMALITIES IN MECHANISM. 389. Fig. 245. — Shoulder presentation.
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
