Methods: Thirty_six female SD rats, three months old, were randomly divided into four groups: sham_operated group (sham), the ovariectomized group (OVX), the esterone_therapy group (OVX+CFT) and the XW630_therapy group (OVX+XW630).

• 方法 :3月龄SD雌性大鼠 36只 ,随机分为 4组 ,即Sham组、OVX组、OVX加雌酚酮组和OVX加XW6 30组 ,每组 3只。