The practice of obstetrics, designed for the use of students and practitioners of medicine . Fig. 565.—General In-trauterine PressureDURING A Uterine Con-traction, before Rup- ture of the mem-BRANES. The X and —signs indicate the resultsof general intrauterinepressure. A —. Fig. 566.—Further ResultOF General Intrauter-ine Pressure. The lowersegment is weakened,thinned, and , A, and B indicate thedirections of the remain-ing pressures. Fig. 567.—Still FurtherResult of the GeneralIntrauterine fetus is partially ex-pelled from the cervix,and the uterus in conse-quence shorte
The practice of obstetrics, designed for the use of students and practitioners of medicine . Fig. 565.—General In-trauterine PressureDURING A Uterine Con-traction, before Rup- ture of the mem-BRANES. The X and —signs indicate the resultsof general intrauterinepressure. A —. Fig. 566.—Further ResultOF General Intrauter-ine Pressure. The lowersegment is weakened,thinned, and , A, and B indicate thedirections of the remain-ing pressures. Fig. 567.—Still FurtherResult of the GeneralIntrauterine fetus is partially ex-pelled from the cervix,and the uterus in conse-quence shortens and be-comes thicker in its upperpart. A, A, Lateral uter-ine pressure; B, directpressure of the thickenedfundus upon the fetal axis. on that portion of the head least subjected to pressure, due to venous conges-tion and oedema. (Compare Part IX.) 2. The second stage of labor, or stage of expulsion, extends from the com-plete dilatation or dilatability of the os to the complete expulsion of the duration of this stage varies from a few minutes to six hours or more. Itsaverage duration in primiparae is from two to three hours, and in multiparas fromone to two hours. The of this stage consist in: (i) Characteristicuterine contractions; (2) t
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
