Recurrent spontaneous abortion(RSA) is a common kind of pathologic pregnancy. Currently, it is believed that such factors as anatomy,endocrine,infection,heredity and immunity. According to epidemiology,however,there exists uncertainty in the etiology and pathogenesis in 50% of patients,which is named as unexplained recurrent spontaneous abortion(URSA). Its treatment is very complicate since Chinese medicine and western medicine have their own advantages. In order to further understand the etiology and treatment protocols,the authors reviewed the relevant studies on the etiology,pathogenesis an...
