Record-breaking baby boy born in Nashville weighs nearly 5.8 kgs

Shelby Martin, a first-time mother from Nashville, has captured worldwide attention after giving birth to a record-breaking baby boy, Cassian, who weighed an astonishing 12 pounds, 14 ounces (5.8 kilograms) at birth.

Cassian’s remarkable size set a new record at TriStar Centennial Women’s Hospital, drawing fascination and admiration across social media.

Despite the challenges of delivering such a large baby, both Shelby and her newborn son are healthy and thriving — a testament to her strength and the exceptional care provided by medical staff.

Throughout her pregnancy, Shelby documented her journey on TikTok, where her candid updates and humour struck a chord with millions.

Her videos — showcasing her growing baby bump and honest reflections on pregnancy — have earned over 4.4 million likes and tens of thousands of comments. In one viral clip, she quipped, “When people talk about having a big baby… trust me, I know big.”