Umbilical cord from the offspring. The cord along with the placenta is often eaten by the mother, to provide nourishment and to dispose of tissues that would otherwise attract scavengers or predators. In chimpanzees, the mother leaves the cord in place and nurses her young with the cord and placenta attached until the cord dries out and separates naturally, within a day of birth, at which time the cord is discarded. (This was first documented by zoologists in the wild in 1974.) Some species of shark — hammerheads, requiems and smooth-hounds — are viviparous and have an umbilical cord attached to their
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