Objective To observe the effect of promoting blood circulation and removing blood-stasis pretreatment method of traditional Chinese medicine(TCM)therapy on pregnancy outcome concerning the patients who take IVF-ET due to tubal infertility.Methods The patients who take IVF-ET with tubal infertility were randomly divided into traditional Chinese medicine + controlled ovarian hyperstimulation group 198 cases(experimental group) and simple controlled ovarian hyperstimulation group 215 cases(control group). To o...