Feto-maternal transfusion and free bleeding from the umbilical cord.
D001769:Blood; D004906:Erythrocyte Count; D005260:Female; D005331:Fetomaternal Transfusion; D006801:Humans; D007743:Labor, Obstetric; D010920:Placenta; D011247:Pregnancy; D014469:Umbilical Arteries; D014470:Umbilical Cord