A textbook of obstetrics . t is proof enough that the LABOR. 317 respiratory tract is not obstructed. The infant is then placedon its right side, this posture favoring the closure of the foramenovale and facilitating the passage of the blood from the ascend-ing cava over the Eustachian valve into the right auricle. Theposition should also be so arranged as to turn the childs facefrom the mothers genitals and to protect the infants air-passagesfrom the maternal discharges incident to the third stage of labor,care being taken, also, not to put the cord too much on thestretch, for all this time,
A textbook of obstetrics . t is proof enough that the LABOR. 317 respiratory tract is not obstructed. The infant is then placedon its right side, this posture favoring the closure of the foramenovale and facilitating the passage of the blood from the ascend-ing cava over the Eustachian valve into the right auricle. Theposition should also be so arranged as to turn the childs facefrom the mothers genitals and to protect the infants air-passagesfrom the maternal discharges incident to the third stage of labor,care being taken, also, not to put the cord too much on thestretch, for all this time, of course, the infant remains attachedto the mother by the umbilical cord. Now arises the question,in every case, as to the advisability of severing the cord at onceand getting the child out of the way. The placenta, it has beenargued, no longer performs its vital functions ; the child breathes,and, therefore, it might be better to cut the cord, to remove theinfant from the bed, and to turn it over to the nurse. This plan,. Fig. 190.—The position in which the child should be placed after birth. however, does not take into account the fact that there remainsa considerable quantity of fetal blood in the placenta ; that it isan advantage to have all of this blood, if possible, returned tothe infantile body where it belongs, and that, further, the deple-tion of the placenta renders its expulsion easier. The blood inthe placenta will return to the childs body, if time is allowedfor it ; on the one hand, the action of the respiratory muscleexerts a suction upon the placental vessels, which aspirates theblood from the placenta ; on the other hand, the pressure uponthe placenta by the uterus drives the placental blood into thefetal body. To demonstrate the advantage of late ligation ofthe cord, Budin ] conducted a series of experiments, with thefollowing results : the cord ceased beating in 22 cases, on the 1 Publications du Progrds Medical. 1876; alsoObstetrique et Gynegologie, 1886
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