A textbook of obstetrics . upon thepelvic brim, the direction of the force coinciding with the a\i> of the superior this manceuversucceeds in pressing the head within the pelvis, then natural forceswill surely secure engagement. If it fails, the converse by no means necessarily follows. 4*4 THE PATHOLOGY OF LABOR. the operator is in doubt whether to select symphysiotomy or Cesarean section. If, on the one hand, there is good reason tofear that the child can not with safety to itself be extractedthrough the birth-canal after the former, his choice should restupon Cesarean section.
A textbook of obstetrics . upon thepelvic brim, the direction of the force coinciding with the a\i> of the superior this manceuversucceeds in pressing the head within the pelvis, then natural forceswill surely secure engagement. If it fails, the converse by no means necessarily follows. 4*4 THE PATHOLOGY OF LABOR. the operator is in doubt whether to select symphysiotomy or Cesarean section. If, on the one hand, there is good reason tofear that the child can not with safety to itself be extractedthrough the birth-canal after the former, his choice should restupon Cesarean section. On the other hand, if the child is under-sized (a condition easier to detect by palpation than is overgrowth),spontaneous delivery may be expected through a pelvis that wouldnot permit the passage of a child of normal size. Klein and Wal-cher declare that by raising the buttocks and letting the limbshang down as much as possible the conjugate diameter is length-ened bv almost a centimeter. Clinical tests of the method are. Fig. 352.—The Walcher posture. described, attended, apparently, with The Watcherposture has been indorsed by a number of observers in Germanyand in other countries. The author has found it of decided ad-vantage, and would recommend its systematic trial. 7. Obstruction to Labor on the Part of the Soft MaternalStructures in the Parturient Canal.—Congenital Anomalies ofDevelopment in the Uterus.—A double or septate uterus may com-plicate labor in several ways. The bulk of the unimpregnatedhalf may obstruct delivery, (specially if this half is rctrovcrted 1 Zeitschrift f. (..hurts, u , 5 • Bd. xxi. H. 1, and Med. Korresp. Bl. ANOMALIES IN THE FORCES /? LABOR. 485 and is increased considerably in size in sympathy with the de-velopment of the impregnated side-, and is hardened in consist-ency by sympathetic contraction during the labor-pains. Theseptum itself may prove an obstacle in labor, and sometimeslabor is obstructed
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
