Results : The maximal tolerant dose of progesterone pellicle in one day by vaginal injection was 400mg / kg ( LD 50 > 400mg / kg );

结果：大 鼠 阴道给予黄体酮药膜一天的最大耐受剂量为400mg/kg；

The statistical test results were obtained by an analysis of stepwise regression . The efficacy was related to gestational ages hcG fetal heart beat before treatment vaginal bleeding before treatment and the side effects after injection of MTX ;

经逐步回归分析表明：治疗效果与化疗前患者的孕龄的长短、血β－hcG值的高低、是否有胎心及 阴道出血量、 注射MTX后副反应出现率有关；