Operative midwifery : a guide to the difficulties and complications of midwifery practice . cord, in addition to the birth of the childbeing retarded, rupture of the cord, separation of the placenta, andeven inversion of the uterus, may follow. In the malformed fcetus seenin the illustration placenta and fcetus came away together. In Hicksscase a retroplacental haBinatoma formed, as also occurred in Duncan4 experimented upon the power of the funis to resista breaking strain, and found it averaged 8] pounds, while the extentof elongation before breaking averaged nearly 2 inches
Operative midwifery : a guide to the difficulties and complications of midwifery practice . cord, in addition to the birth of the childbeing retarded, rupture of the cord, separation of the placenta, andeven inversion of the uterus, may follow. In the malformed fcetus seenin the illustration placenta and fcetus came away together. In Hicksscase a retroplacental haBinatoma formed, as also occurred in Duncan4 experimented upon the power of the funis to resista breaking strain, and found it averaged 8] pounds, while the extentof elongation before breaking averaged nearly 2 inches (5 centimetres)The rupture occurred some little way from the umbilicus. But althoughthat is the rule, it sometimes happens that it occurs at the placenta,as in the case mentioned by Wynn Williams in the discussion whichfollowed Duncans paper. 1 Lond. Obst. Trans., vol. xxiii., p. 253. 2 Samml. Klin. Vortrdge, No. 265, 1900. 3 Prager Med. Wochenschrift, Nos. 48 and 49 ; ref. Winckels Handbuch,Bd. ii., Heft 3, p. 1498. 4 Lond. Obst. Trans., vol. xxiii., p. 244. 1II OPERATIVE MIDWII Fig. 77. —Cord twisted round Body and Neck of Child.(From Van Rhyrasdykes drawing in tip Ennterian Minuih. Glasgow University.) The diagnosis of a short cord has occasionally been made before theaTtual delivery was in progress, as, for example, in McLennans cases. COMPLICATIONS CONNECTED WITH THE CORD 145 McLennan,1 quotingWeidemann, says the condition maybe diagnosedfrom the following : 1. The presence of the funic souffle. 2. The recession of the presenting part in the intervals betweenthe pains. 3. One-sided pain in the abdomen (Wigand). 4. Variability of the position of the head within narrow limits(Rachel). 5. Discharge of some blood after each pain (Rachel). 6. Frequent emptying of the bladder in the pauses between thepains (Brickner). I can offer no opinion regarding these signs and , they are self-evident, and I doubt not are often difficult, however,
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