Cynthia Jane Williams weighs 820 grams. She's so small she almost fits into the palm of her mother's hand.
To her mum, she's a miracle, but tiny Cynthia is fighting for her life.
Born at just 27 weeks, she's in Auckland Hospital's intensive care unit for newborns.
Cynthia's mum drank alcohol while she was pregnant. She says that only one occasion was after she knew she was carrying a baby, but there were other occasions before she knew.
Now, this young mother has a message she wants to deliver.
Watch the video for the full story.