A System of midwifery : including the diseases of pregnancy and the puerperal state . the stop-cock; but aclose observation of the apparatus, and a fewtest-experiments before its introduction, will ob-ancl will at the same time serve to insure the eflfi-The process of subsequent dilatation should hegradual, and is effected by repeated injections, which, while increasingthe size of the bag, exercises a pressure or dilating force upon the cervix,which is perfectly equable, and which is a pretty close imitation of themanner in which nature effects dilatation by means of the sac of theliquor amnii
A System of midwifery : including the diseases of pregnancy and the puerperal state . the stop-cock; but aclose observation of the apparatus, and a fewtest-experiments before its introduction, will ob-ancl will at the same time serve to insure the eflfi-The process of subsequent dilatation should hegradual, and is effected by repeated injections, which, while increasingthe size of the bag, exercises a pressure or dilating force upon the cervix,which is perfectly equable, and which is a pretty close imitation of themanner in which nature effects dilatation by means of the sac of theliquor amnii. It may be necessary to use successive bags, which pro-gressively increase in size ; or, in the absence of a sufficient assortment,two bags may be simultaneously introduced, and successively dilated,until the requisite amount of distension is attained. The only objectionwhich occurs to us, as one which may possibly be urged against the useof this contrivance, is the chance of the displacement of the presentingpart, by the expansion within the uterus of the fundus of the bag; but. Barness uterine dilators. viate any difficulty,ciency of the bag. XXX [ V.] COXSTITUTIOXAL INFLUENCES. 569 in so far as experience has gone, in the hands of the inventor, or ofthose who have adopted his process, it does not appear that this objec-tion has been experienced in actual practice. For our part, we haverepeatedly had occasion to use the apparatus, and, so far as a limitedexperience may entitle us to form an opinion, we can, in every respect,corroborate the assertions which have bsen made in its favor. The methods of inducing premature labor which have been abovedetailed do not, it need scarcely be said, embrace all that have been sug-gested and practiced. At a very early period of the controversy, Gal-vanism was looked upon by some as an agent from which importantresults might be expected ; but, although this is a powerful and un-doubted provocative to the uterine contraction in some cases,
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectobstetrics, bookyear1
