1. Clinic of Integrated Traditional and Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China
2. Department of Endocrinology, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China
3. Department of Gynecology, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, P.R. China