It is a one-time chance to collect the cord blood right after birth. Blood is then preserved at -150 centigrade degrees preventing the stem cells from ageing. There are private and public providers. Public cord blood banks collect, process, and store cord blood free of charge, to be transplanted to matching patients. Private cord blood banks, normally charge an initial fee for collection and processing cord blood and then annual fee to store it to be used if baby or a family member develops a disease.