Nash Keen as a newborn; one year old; and nearly two years old. Photo: GWR
Nash Keen, recognised by Guinness World Records as the world’s most premature baby, has turned two years old.
Nash was born in 2024 at just 21 weeks’ gestation — 133 days ahead of schedule — at University of Iowa Health Care in Iowa City, to parents Mollie and Randall Keen.
He weighed under 300g at birth, lighter than a grapefruit, and measured under 25cm long.
Nash Keen as a newborn. Photo: GWR







