A treatise on the science and practice of midwifery . ous stages of cicatrization, corre-sponding to the lapse of time since the acci-dent had occurred. Intra-uterine fracturesare not rare, apparently arising from similarcauses. In some of these cases the brokenends of the bones had united, but, from wantof accurate apposition, at an acute angle, soas to give rise to much subsequent de-formity. Chaussier records two cases inwhich there were many fractures in thesame child, in one 113, and in another 42,which were in different stages of repair. Heattributes this curious occurrence to somecongen
A treatise on the science and practice of midwifery . ous stages of cicatrization, corre-sponding to the lapse of time since the acci-dent had occurred. Intra-uterine fracturesare not rare, apparently arising from similarcauses. In some of these cases the brokenends of the bones had united, but, from wantof accurate apposition, at an acute angle, soas to give rise to much subsequent de-formity. Chaussier records two cases inwhich there were many fractures in thesame child, in one 113, and in another 42,which were in different stages of repair. Heattributes this curious occurrence to somecongenital defect in the nutrition of thebones, possibly allied to mollities Intra-uterine amputations of foetal limbshave not infrequently been are occasionally born with one ex-tremity more or less completely absent, andcases are known in which the whole fourextremities were wanting (Fig. 88.) Themode in which these malformations are produced has given rise tomuch discussion. At one time it was supposed that the deficiency Fig. Intra-uterine Amputation of bothArms and Le<?s. Tarniers Cazeaux, p. 855. Gazette Hebdom., 1860. PATHOLOGY OF THE DECIDUA AND OVUM. 227 of the limb was clue to gangrene of the extremity, and subsequentseparation of the sphacelated parts. Keuss, who has studied thewhole subject very minutely,1 considers gangrene in the unrupturedovum to be an impossibility, for that change cannot occur unlessthere is access of oxygen, and when portions of the separated ex-tremity are found in utero, as is often the case, they show evidencesof maceration, but not of decomposition. The general belief is thatthese intra-uterine amputations depend on constriction of the limbby folds or bands of the amnion—most often met with when theliquor amnii is deficient in quantity—which obstruct the circulation,and thus give rise to atrophy of the part below the constriction. Ithas been supposed that the umbilical cord might, by encircling thelimb, produce
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