Around six thousand babies are born premature each year in New Zealand, of those about one percent are very premature.
But what are the long-term effects of being premature?
Well, since1986 a University of Otago study has followed hundreds of babies born weighing less than 1500 grams.
Most of those babies, are now nearly forty, and results from the last three decades have just been released.
Emeritus Professor Brian Darlow has led this study from the very beginning; he chats to Jesse about what they've learnt.
Photo: 123RF
