1. Walker Colt Pruett weighed just 1lb, 3ozs when he was born at 26 weeks in April of this year.
His parents, Erica and Jared, had to wait five days before they could hold him at the Forsyth Medical Center in Winston Salem, North Carolina, and were only allowed to spend 45 minutes with him each day.
In total, Walker spent 80 days in the neo-natal intensive care unit before he was allowed to go home.
2. During that time Erica and Jared decided to keep a daily blog of their son’s progress in hospital.
His time in the NICU was also captured by photographer Deneen Bryan, the founder of non-profit organisation Capturing Hopes Photography.
The company provides professional photography for families of children in hospital free of charge.
3. Using the pictures, Bryan created the timelapse video above of Walker’s first 80 days.
Erica told Martinsville Bulletin: “She [Bryan] was excellent to us. She actually chose him as one of her ‘100 day babies,’ because he was so little that they were estimating he would be (in NICU) around 100 days.”