The principles and practice of obstetrics . r-ment and sise, as the one thrown offpreviously from the cavity of the uterus; in otherwords, it is a case of intra- and extra-uterine preg-nancy, contemporaneous and coexistent. A more fullaccount of this interesting case is given in the Ameri-can Journal of Medical Sciences, January, 1850, The causes of tubal pregnancy cannot readily be de-monstrated, but may easily be imagined. The experi-ment of Mr. Nuck, above alluded to, shows that, in instances, they depend upon obstruction. Thisobstruction may arise from spasmodic action of thetubes,
The principles and practice of obstetrics . r-ment and sise, as the one thrown offpreviously from the cavity of the uterus; in otherwords, it is a case of intra- and extra-uterine preg-nancy, contemporaneous and coexistent. A more fullaccount of this interesting case is given in the Ameri-can Journal of Medical Sciences, January, 1850, The causes of tubal pregnancy cannot readily be de-monstrated, but may easily be imagined. The experi-ment of Mr. Nuck, above alluded to, shows that, in instances, they depend upon obstruction. Thisobstruction may arise from spasmodic action of thetubes, from mucoid or lymphatic deposits in thior from a stricture, either congenital or resulting frominflammatory action. The progress of the ovum mayalso be arrested by imperfect or irregular physiolaction of the tubes, not only from spasmodic stricture,but it may be from too great relaxation or inertia inthe muscular parietes. Interstitial Pregnancy, or Pregnancy in SubstantiaUteri.—In this variety the ovum is developed between Fie. no. M;M. Interstitial Pregnancy.—a. Uterus, h. Cavity in which the Ovum was developing, c. Ovum with it? Placental Vessels. the mucous and peritoneal coats of the uterus, in itsfibro-muscular tissue, without any communication be-tween it and the cavity of the uterus, or that of eitherof the Fallopian tubes. A priori, the occurrence of such an accident couldnot be anticipated; but the investigations of morbidanatomists have fully proved its occasional first case recorded was in 1801, by Schmidt, ofVienna. M. Breschet, in 1824, published an accountof all cases reported up to that time, some thirteen innumber; since which about the same number havebeen recorded by different authors, leaving no doubtthat such cases do occur. The cyst has been foundcomplete, containing the foetus, the membranes and placenta, often developed to a much greater size thanthat of the uterus, and yet no communication existingbetween the cavity of the cyst and th
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Keywords: ., boo, bookcentury1800, booksubjectobstetrics, booksubjectpregnancy
