
A baby boy weighing 268 grams when born in August 2018, the hospital claims is the smallest baby to survive and be sent home healthy, is seen five days after his birth in Tokyo, Japan, in this undated handout photo released by Keio University School of Medicine, Department of Pediatrics and obtained Reuters on February 27, 2019. Photo: Keio University School of Medicine, Department of Pediatrics/Handout via Reuters