The study examined 365 placenta samples from birth mothers in Boston and New York City.
The strongest associations were among Black women.
The September study was published in the journalBiological Psychiatry.

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What Is Psychological Stress?
The Need for Interventions
Maternal stress can create lasting negative health consequences for children.
Others focus on developing quality parent/child relationships.
10.1016. doi:10.1016/j.biopsych.2020.09.013
American Psychological Association (APA).APA Dictionary of Psychology: psychological stressor.
Harvard Health Publishing.Understanding the stress response.
A meta-analysis on the relationship between maternal stress and child body mass index.Obes Rev.