Association between occurrence of congenital heart defects in offspring and maternal environmental factors in early pregnancy: the Japan Environment and Children's Study.

Shun Kawai, Yokohama City University Hospital, Yokohama, Kanagawa, Japan; Kyongsun Pak, National Center for Child Health and Development, Setagaya, Tokyo, Japan; Shintaro Iwamoto, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan; Chihiro Kawakami, yokoama city university, yokohama, Kanagawa, Japan; Ryo Inuzuka, University of Tokyo, Tokyo, Tokyo, Japan; Jun Maeda, Tokyo Metropolitan Children's Medical Center, Fuchu, Tokyo, Japan; Yoshiyuki Furutani, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan; Mitsuhiro Kamisago, Nippon Medical School Tama-Nagayama Hospital, Tama, Tokyo, Japan; Tomomi Uyeda, Sakakibara Heart Institue, Asahicho3-16-1, Fuchu, Tokyo, Japan; Shinichi Takatsuki, Toho University Omori Medical Center, Ota-ku, Tokyo, Japan; Hiroyuki Yamagishi, Keio University School of Medicine, Tokyo, Tokyo, Japan; Shuichi Ito, Department of Pediatrics, Graduate School of Medicine, Yokohama City University, Yokohama, Kanagawa, Japan; Tohru Kobayashi, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan