Psychological and behavioral factors during pregnancy associated with gestational weight gain: A cross-sectional study using a digital pregnancy cohort in Japan

Kazuma Shinno, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan; Tomoko Aoyama, National Center for Child Health and Development, Setagaya, Tokyo, Japan; Kohei Ogawa, National Center for Child Health and Development, Tokyo, Tokyo, Japan; Naho Morisaki, National Center for Child Health and Development, Tokyo, Tokyo, Japan