The World Record “most premature baby” has been achieved by Nash Keen at Iowa City, USA.

On Jul 05, 2025; Nash (Son of Ms. Mollie Keen and Mr. Randall Keen) was born One Hundred Thirty Three (133) days premature at the University of Iowa Health Care Stead Family Children’s Hospital in Iowa City.

Nash weighed 285 gm (10 oz) and was 24 cm (9.5 inches) long at the time of his birth. He born at a gestational age of 21 weeks (147 days), making him 133 days premature, while the standard gestational period for a full-term baby is 40 weeks (280 days). Nash was allowed to go home after almost six months of care at the Neonatal Intensive Care Unit of the hospital.

Previous World Record:

The World Record “most premature baby” was achieved by Curtis Means at Birmingham, Alabama, USA. On Jul 05, 1920; Curtis (son of Michelle Butler) was born One Hundred Thirty Two (132) days premature at the University of Alabama at Birmingham (UAB) Hospital in Alabama. Curtis weighed 420 grams (14.8 oz) at the time of his birth.