This long-term follow-up study from the US found that young people who had been born extremely prematurely were at greater risk of the most common mental health issues that affect all young people, namely anxiety disorders, ADHD and depression. Greater surveillance of this group would be valuable.

Frazier, J. A., Cochran, D., Kim, S., Jalnapurkar, I., Joseph, R. M., Hooper, S. R., … & ELGAN Study Investigators. (2021). Psychiatric Outcomes, Functioning, and Participation in Extremely Low Gestational Age Newborns at Age 15 Years. Journal of the American Academy of Child & Adolescent Psychiatry.

https://www.jaacap.org/article/S0890-8567(21)02093-1/fulltext