Results The three methods showed similar tendency.The expression of PCNA in normal proliferative phase was higher than those of secretory phase and postmenopausal phase (P0.05).

• 结果三种方法显示一致的变化趋势：月经周期增殖中晚期组PCNA指数高于月经周期分泌中晚期组及绝经期组(P0.；05)；