is placental abruption painful
Placental abruption is the premature separation of a placenta from its implantation site in the uterus. Within the placenta are many blood vessels that allow the transfer of nutrients to the fetus from the mother.If the placenta begins to detach during pregnancy, there is bleeding from these vessels.lacental abruption is the premature separation of a placenta from its implantation site in the uterus. Within the placenta are many blood vessels that allow the transfer of nutrients to the fetus from the mother.