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Original Article

Association between maternal traumatic stress related to Great East Japan Earthquake and behavioral problems in offspring

Shun Tanabe, Masatsugu Orui, Chikana Kawaguchi, Genki Shinoda, Aoi Noda, Mami Ishikuro, Taku Obara, Shinichi Kuriyama

Association between maternal traumatic stress related to Great East Japan Earthquake and behavioral problems in offspringQuestion: Does prepregnancy maternal traumatic stress influence behavioral outcomes in early childhood?
Finding: Children born to mothers who reported greater disaster-related traumatic stress showed higher risks of internalizing, externalizing, and total behavioral problems at ages 2 and 3 years consistent with a dose-response relationship.
Meaning: Long-term maternal mental health support covering the broader reproductive period may play a role in addressing intergenerational behavioral problems after large-scale disasters.

DOI: https://doi.org/10.3345/cep.2026.00843 [Epub ahead of print]

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Allergy

Maternal sleep disorders during pregnancy and subsequent risk of allergic diseases in Japanese children: the TMM BirThree Cohort Study

Ami Uematsu, Masatsugu Orui, Mami Ishikuro, Keiko Murakami, Aoi Noda, Genki Shinoda, Taku Obara, Shinichi Kuriyama

Clin Exp Pediatr. 2026;69(1):36-45. Published online October 22, 2025

Web of Science 2 Crossref 2

Question: Associations have been made between maternal sleep disorders during pregnancy and allergic diseases including bronchial asthma, atopic dermatitis, food allergy, and allergic conjunctivitis/rhinitis/hay fever in their children.
Finding: In the crude model, sleep disorders during pregnancy were associated with all examined allergic diseases in children. After adjustment, significant associations remained for atopic dermatitis and allergic conjunctivitis/rhinitis/hay fever.
Meaning: The study highlights associations between maternal sleep and child allergic diseases.

DOI: https://doi.org/10.3345/cep.2025.01165

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Association between maternal traumatic stress related to Great East Japan Earthquake and behavioral problems in offspring

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