A blog about when I gave bone marrow via Peripheral Blood Stem Cell Donation, under the Welsh Blood Service. Blog am roi mer fy esgyrn drwy PBSC. Gobeithio bydd pobl yn ymuno gyda'r gofrestr rhoi mer esgyrn neu'n dechrau rhoi gwaed. Mwynhewch! Enjoy, and please join the register and/or starting giving blood!