Grade 7 school performance of children born preterm: a retrospective Canadian Cohort study.

Importance: Data on the middle school outcomes of preterm children are limited and have methodologic issues.

Objective: To study the association between preterm birth and grade 7 school performance.

Methods: A retrospective population-based cohort study of children born in Manitoba, Canada between 1994 and 2006 using their grade 7 school performance data.

Mental Disorders Among Mothers of Children Born Preterm: A Population-Based Cohort Study in Canada.

Background: Our aim was to examine the association between preterm delivery and incident maternal mental disorders using a population-based cohort of mothers in Canada.

Methods: Retrospective matched cohort study using Manitoba Centre for Health Policy (MCHP) administrative data in Manitoba. Mothers who delivered preterm babies (<37 weeks gestational age) between 1998 and 2013 were matched 1:5 to mothers of term babies using socio-demographic variables.

Sleepiness in Adolescents.

Sleepiness and sleep deprivation among adolescents are increasingly being recognized as a public health concern. Many of the determinants of this growing problem lie beyond the biomedical scope of explanation. In this article, the authors begin with a review of the prevalence and consequences of sleepiness in adolescents and then present the approach to a sleepy adolescent and the underlying cause.