Umbilical cord Umbilical cord In placental mammals, the umbilical cord (also called the navel string, birth cord or funiculus umbilicalis) is a conduit between the developing embryo or fetus and the placenta. During prenatal development, the umbilical cord is physiologically and genetically part of the fetus and (in humans) normally contains two arteries (the umbilical arteries) and one vein (the umbilical vein), buried within Wharton's jelly. The umbilical vein supplies the fetus with oxygenated, nutrient-rich blood from the placenta. Conversely, the fetal heart pumps low oxygen containing blood, nutrient-depleted blood through the umbilical arteries back to the placenta. The umbilical cord develops
Use of restraints on pregnant women escape attempt." A number of health concerns have been raised by the American College of Obstetricians and Gynecologists (ACOG), the American Public Health Association, the American Medical Association and others surrounding the use of shackles on pregnant women. These concerns involve various increased health risks to the woman and her child, which arise at different points of shackling. While pregnant during incarceration, shackles can increase the risk of falling where a woman's center of gravity is shifted by the pregnant uterus. For example, restraints placed on a woman's wrists also prevent her from breaking a fall and protecting herself and