Child health experts are taking the unprecedented step of trying to contact 26,000 families across Wales to get a better understanding of how premature babies develop in the long term.
Dr Martin Edwards, one of those leading the study from Cardiff University, says there's been minimal research in this field: "This is an area of the Health Service that hasn't really been monitored or observed until now."
More top news
Gareth Bale insists reaching the last eight of Euro 2016 is not enough for Wales ahead of their quarter-final against Belgium.
Thousands of Queen Bey fans are expected to descend upon the capital on Thursday, as the Formation World Tour comes to Wales.
Inspectors say South Wales Police has improved how it protects children but there are still some areas that need further attention.