Author's Organization：Faculty of Pharmaceutical Sciences, and Dept. Obstetrics and Gynecology, Hokkaido University Faculty of Pharmaceutical Sciences, and Dept. Obstetrics and Gynecology, Hokkaido University Faculty of Pharmaceutical Sciences, and Dept. Obstetrics and Gynecology, Hokkaido University Faculty of Pharmaceutical Sciences, and Dept. Obstetrics and Gynecology, Hokkaido University Faculty of Pharmaceutical Sciences, and Dept. Obstetrics and Gynecology, Hokkaido University
