. An American text-book of obstetrics. For practitioners and students. Fig. 407.—Inversion of uterus : drawing from anold specimen in alcohol. The atonic chief site ofplacental attachment (c) is shrunken by the alco-hol, and thus its lessening is explained ; /), contrac-tion-ring ; a, external os uteri (after J. Veit).. Fig. 40S— Inversion of the uterus. The lumenof the rectum is seen, and also the inversion fun-nel in which are the tubes and an ovary (after ). Frequency.—We have no conclusive statistics as to the frequency of thisaccident, Winckelr6 in more than 20,000 labors has not se
. An American text-book of obstetrics. For practitioners and students. Fig. 407.—Inversion of uterus : drawing from anold specimen in alcohol. The atonic chief site ofplacental attachment (c) is shrunken by the alco-hol, and thus its lessening is explained ; /), contrac-tion-ring ; a, external os uteri (after J. Veit).. Fig. 40S— Inversion of the uterus. The lumenof the rectum is seen, and also the inversion fun-nel in which are the tubes and an ovary (after ). Frequency.—We have no conclusive statistics as to the frequency of thisaccident, Winckelr6 in more than 20,000 labors has not seen a case of com-plete inversion, nor had Braun one in 250,000. Denham in 100,000 cases oflabor in the Rotunda Hospital, Dublin, found one case of inversion. Kehrer77states that the accident is thought to occur once in 2000 labors. Probablyuterine inversion is more frequent than published reports of cases would lead 618 AMERICAN TEXT-BOOK OF OBSTETRICS. one to believe. It may be that in some cases if the displacement was recog-nized the fact was concealed ; in other instances the accident was not dis-covered. Etiology.—Relaxation of the uterus necessarily precedes inversion. Mat-thews Duncan has stated :78 Four kinds of uterine inversion occur afterdelivery : 1. Spontaneous passive uterine inversion ; 2. A
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectobstetrics, bookyear1
