News

In February 2019, a baby boy who weighed just 268 grams at birth was released from Keio University Hospital’s Department of Pediatrics, headed by Prof. Takao Takahashi. Born at 24 weeks, the extremely low birth weight (ELBW) infant spent five months in the hospital’s neonatal unit and was cared for by attending physicians Dr. Takeshi Arimitsu and Associate Prof. Mariko Hida. The world’s smallest baby boy left the hospital in good health without any serious complications.

Read the Keio University press release:
World’s Smallest Baby Boy Born at Keio University Hospital: Extremely Low Birth Weight Infant Weighing Just 268 Grams at Birth Leaves Hospital in Good Health