Postpartum depressive symptoms and their association with social support among foreign mothers in Japan at 3 to 4 months postpartum.

Backgrounds: With Japan's globalization, maternal-child health care for foreign mothers is highly necessary. We examined postpartum depressive symptoms in foreign mothers in Japan and the factors associated with such symptoms, particularly social support.

Method: A cross-sectional study was conducted for Japanese and foreign mothers at 3 to 4 months postpartum.