Simplified method of estimating the oxygen pressure difference between maternal and fetal blood in the placenta.
D000818:Animals; D005260:Female; D008365:Manometry; D008431:Maternal-Fetal Exchange / Q000502:physiology*; D008722:Methods; D010092:Oximetry; D010100:Oxygen / Q000097:blood*; D010539:Permeability; D011247:Pregnancy; D011312:Pressure; D011817:Rabbits; D012756:Sheep; D014469:Umbilical Arteries; D014471:Umbilical Veins; D014599:Uterus / Q000098:blood supply
D010100:Oxygen