A baby born at 21 weeks' gestation in Iowa City, Iowa, has celebrated his first birthday, earning a Guinness world record for being the most premature baby.

Nash Keen was born in Iowa City, Iowa, on July 5, 2024 — 133 days earlier than the expected due date and weighing only 10 ounces

The baby born at a 21-week gestational age in Iowa City, Iowa, was smaller than a grapefruit as he was hooked up to dozens of monitors and tubes following his July 5, 2024, birth. "He was born so early that we weren't sure if he'd even survive those first critical hours,