MORINAGA Yasufumi¹, TANAKA Mieko¹, MURAKAMI Ayaka¹, KAWATAKI Motoyoshi² (1.Obstetrics, Morinaga Maternity Clinic, 2.Obstetrics, Tohoku University)

TAKEDA Junko¹, TANAKA Takasi², KAWATAKI Motoyosi³ (1.Ultrasonic Laboratory, Yokoyama Hospital, 2.Cardiovascular, Miyagi Children's Hospital, 3.Neonatology, Kanagawa Children’s Medical Center)

ENDO Toyohide, OCHIAI Daigo, OISHI Maki, MASAKI Mayu, IKENOUE Satoru, MIYAKOSHI Kei, TANAKA Mamoru (Department of Obstetrics and Gynecology, Keio University School of Medicine)

SEKIHARA Maki¹, MATSUDA Hideo², NAKATA Masahiko³ (1.Clinical Laboratory, Matsuda Parinatal Clinic, 2.Obesterics and Gynecology, Matsuda Parunatal Clinic, 3.Obesterics and Gynecology, Toho University School of Medicine)

SETO Michiharu, RYO Eiji, NISHIZAWA Miki, MORITA Masayoshi, SAKURAI Rina, NAMAI Shigenari, MATSUMOTO Yasuhiro, SHIBA Masahiro, KIDO Koichiro (OB＆GY, Teikyo University House)