The world s first baby born through a womb transplant to Swedish parents has celebrated his first birthday. Vincent was born on September 4 a year ago. His parents describe him as a happy healthy child not that different from any other one-year-old. In an interview published by Swedish newspaper Dagens Industri (DI) the parents Malin Stenberg and Claes Nilsson said they are grateful to the 61-year-old woman the mother of Nilsson s best friend who donated her womb for the ten-hour transplant surgery. (Read: Woman delivers healthy baby after successful womb transplant) How could anyone do this for us?