The practice of obstetrics, designed for the use of students and practitioners of medicine . e pel-vic diameter, the occiput pointing to theright sacro-iliac synchondrosis. Rotationof the occiput follows from this latter pointaround the right pelvic wall and to the sym-physis, for reasons already stated, in all butless than 2 per cent, of cases (Fig. 719). (6)Expulsion of the head now occurs as in Posi-tions I and II (Fig. 710). IV. Left Sacro-posterior Position,L. P. S. (Fig. 723).—The bitroch^.ntericfetal diameter approaches the left (Obliquepelvic inlet diameter; the fetal back looksto the
The practice of obstetrics, designed for the use of students and practitioners of medicine . e pel-vic diameter, the occiput pointing to theright sacro-iliac synchondrosis. Rotationof the occiput follows from this latter pointaround the right pelvic wall and to the sym-physis, for reasons already stated, in all butless than 2 per cent, of cases (Fig. 719). (6)Expulsion of the head now occurs as in Posi-tions I and II (Fig. 710). IV. Left Sacro-posterior Position,L. P. S. (Fig. 723).—The bitroch^.ntericfetal diameter approaches the left (Obliquepelvic inlet diameter; the fetal back looksto the left and rear (Fig. 724). (i) Mouldingof the breech and (2) Engagement and descentoccur as in Positions I and II (Fig. 725).(3) Anterior rotation of the left hip: This oc-curs from left to right to the median line(Fig. 725). (4) Expulsion of the breech andlateral flexion of the body: As in I, II, andIII (Fig. 710). (5) Rotation of the head andrestitution of the trunk: The occipito-frontalfetal diameter enters the left oblique pelvic THIRD BREECH SACRO-POSTERIOR, R. S. Fig. 719.—Breech at Pelvic Inlet.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
