Placental Function and Oxygenation in the Fetus

  • Waldemar Moll
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 191)


The oxygenation in the newborn depends to some degree on the impact of labor. It has been shown repeatedly that fetal blood gases stay (as determined in the scalp blood) rather high and constant before labor. In the second stage of labor (the expulsive stage of labor) however, fetal O2 tensions and saturations drop. According to Wulf and co-workers (1967) the O2 tension in the scalp blood falls from 23 to 17 Torr. Fetal hypoxia and eventually fetal anoxia develop. A low oxygenation is finally found in the newborn baby.


Fetal Tissue Blood Flow Rate Uterine Contraction Placental Transfer Fetal Blood 
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Copyright information

© Plenum Press, New York 1973

Authors and Affiliations

  • Waldemar Moll
    • 1
  1. 1.Department of PhysiologyUniversity of RegensburgW.-Germany

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