A textbook of obstetrics . Fig. 3<S5-—Sacral teratoma obstructing labor. 5 ANOMALIES IN THE FORCES Of LABOl Thus, in double monsters would seem out of the question. front or back (xiphopagus, the Siamese joined loosely by the . twins; pygopagus, the Hungarian sisters), one child \\i be born. Fig. 386.—Sacral teratoma. by the head, the other afterward by the breech, or vice versa. Indicephali one head may be pressed into the neck of the other ormay rest upon the iliac bone of the mother until the first headmakes its escape from the vulva. Even in thoracopagus, the

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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics