The American text-book of obstetrics for practitioners and students . Fig. 220.—The effect of descent of the pubic bones on the gain in length of saci c-pubic diameter. By-mere separation of bones, the gain in conjugata vera would be S S; with added effect of descent it isS, S (Wehle). lines running from the promontory to the anterior half of the linea ilio-pectineaare elongated more than by mere separation of the pubic bones. But this is. Fig. 221.—Diagram of pelvic brim, showing gain in space on opening pubic joint: PS, conjugate jointclosed; PS, conjugate joint open 6 cm. (Wehle). not all.


The American text-book of obstetrics for practitioners and students . Fig. 220.—The effect of descent of the pubic bones on the gain in length of saci c-pubic diameter. By-mere separation of bones, the gain in conjugata vera would be S S; with added effect of descent it isS, S (Wehle). lines running from the promontory to the anterior half of the linea ilio-pectineaare elongated more than by mere separation of the pubic bones. But this is. Fig. 221.—Diagram of pelvic brim, showing gain in space on opening pubic joint: PS, conjugate jointclosed; PS, conjugate joint open 6 cm. (Wehle). not all. As the bones recede from each other the anterior parietal bos projectsnearly a centimeter into the pubic interspace. The increase in the conjugate OBSTETRIC 8URGEB V. 137 <Ii:iimiter by opening the pubic joinl to the extent of centimeters 2| inchesamounts, therefore, in effect, to about 2 centimeters j inch . Indications.—In general, symphysiotomy is applicable in obstructed laborin which the delivery of a living, viable child may be rendered possible by a


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectobstetrics, bookyear1