Guinness World Records most premature baby born at 21 weeks
Nash Keen (10 ounces) when born on July 5, 2024 – 133 days before his due date. His first birthday was celebrated on July 5, 2025. "Nash Potato" initially spent six months in the neonatal intensive care unit at the University of Iowa Health Care Stead Family Children’s Hospital. "Nash Potato" beat the previous Guinness World Record by one day. Iowa baby born at just 21 weeks becomes Guinness World Record's 'most premature baby' ever - New York Post Guinness World Records gives award to Ankeny baby - KCCI Des Moines Iowa baby born at 21 weeks sets Guinness world record for most premature baby | AP News World’s Most Premature Baby Just Celebrated His First Birthday - People