Umbilical cord is used in place of a bone marrow transplant in the treatment of blood disorders such as leukemia, with donations released for transplant through one registry, Netcord.org, passing 1,000,000 as of January 2013. Cord blood is used when the patient cannot find a matching bone marrow donor; this "extension" of the donor pool has driven the expansion of public banks. The umbilical cord in some mammals, including cows and sheep, contains two distinct umbilical veins. There is only one umbilical vein in the human umbilical cord. In some animals, the mother will gnaw through the cord, thus separating the placenta
Murder of pregnant women pregnancy at the time of death sometimes being coincidental. Murder of pregnant women Murder of pregnant women is a type of homicide often resulting from domestic violence. Domestic violence—or intimate partner violence (IPV)—is suffered by many, and when analyzing cases in which victims came forward, majority of them are women. Many of these women fear harm not just to themselves but also to their unborn children. Recently, more focus has been placed on pregnancy-associated deaths due to violence. IPV may begin when the victim becomes pregnant. Research has shown that abuse while pregnant is a red flag for pregnancy-associated homicide.