KONNO Hiroko, MURAKOSHI Takeshi, KATO Keiichiro, SOGA Eri, TERADA Shuhei, SUZUKI Takashi, MATSUSHITA Mitsuru, KATO Airi, IGA Kentaro (Division of Obstetrics and Perinatology, Maternal and Perinatal Care Center, Seirei Hamamatsu General Hospital)

YOSHIMOTO Natsumi¹, KAJI Takashi¹, YOSHIDA Atsuko¹, SOGAWA Eishi¹, YONETANI Naoto¹, ICHIHARA Yuko⁴, SUGA Kenichi², NAKAGAWA Ryuji², ISHIBASHI Hiroki³, IRAHARA Minoru¹ (1.Obstetrics and Gynecology, Tokushima Univercity Hospital, 2.Pediatrics, Tokushima Univercity Hospital, 3.Pediatrics Surgery, Tokushima Univercity Hospital, 4.Pediatrics, Tokushima Municipal Hospital)

SEKIYA Bunbu, TOKUNAKA Mayumi, GOTOU Minako, TAKITA Hiroko, ARAKAKI Tatuya, OBA Tomohiro, MATUOKA Ryu, SEKIZAWA Akihiko (Department of Obstetrics and Gynecology, Showa University)

HONDA Izumi¹, HARADA Atsushi², KIMURA Yuki³, MATSUDA Minako¹, SHIMOJIMA Naoki², KAKINUMA Ryota³, KOHYAMA Akira¹ (1.Obstetrics and Gynecology, Tokyo Metropolitan Tama Medical Center, 2.Surgery, Tokyo Metropolitan Children's Medical Center, 3.Neonatology, Tokyo Metropolitan Children's Medical Center)

YOSHIDA Atsushi¹, KATSURAGI Shinji¹, SUZUKI Ryo¹, ONO Ryoko¹, NAKAO Masahiro¹, OKUMURA Asumi¹, MORISAKI Hiroko² (1.Department of Obstetrics and Gynecology, Sakakibara Heart Institute, 2.Department of Medical Genetics, Sakakibara Heart Institute)

NISHIOKA Nobuko, KAWAI Takayuki, MORI Yuusuke, FUJIOKA Aya, SEKINE Hanae, MAEBARA Mari, ISHIGURO Tomohito, ITOGA Tomoko, SUGA Shin (Obstetrics and Gynecology, Koshigaya Municipal Hospital)