Key clinical point: Maternal depression in early childhood can negatively impact a child’s school readiness.

Major finding: Children exposed to maternal depression in early childhood were 1.17 times more likely than were unexposed children to show developmental vulnerability at kindergarten entry.

Study details: The data come from a population-based cohort study of 52,103 children born in Manitoba, Canada, who were assessed for early development between 2005 and 2016.

Disclosures: The study was supported by the Canadian Institutes of Health Research, the National Institute of Mental Health, and the National Institutes of Health. The researchers had no financial conflicts to disclose.