Acupuncture com bined with auricular point sticking group ( group A ) : acupuncture was applied at Guanyuan ( CV @ ) , Zhongji ( CV @ ) and Zigong ( EX-CA @ ) , once daily ; auricular point sticking was applied at Spleen ( pi , CO@ ) , Endocrine ( neifenmi , CO@ ) , Unterus and Kidney ( shen , CO@ ) , t he plaster was changed once a week .