Research progress of traditional Chinese medicine in the treatment of PCOS at different stages of IVF-ET
By reviewing relevant literature,the research progress of traditional Chinese medicine in the treat-ment of polycystic ovary syndrome(PCOS)infertility in different stages of in vitro fertilization-embryo transfer(IVF-ET)(pituitary down-regulation period,controlled ovarian hyperstimulation period,embryo implantation period and fetal protection period)was summarized from etiology and pathogenesis,stage syndrome differentiation and sequen-tial treatment.It is pointed out that the syndrome of deficiency at the root and excess in the branches and kidney de-ficiency with collaterals obstruction is the main type of PCOS infertility patients undergoing IVF-ET.Traditional Chi-nese medicine has a broad application prospect in assisted reproductive technology(ART),and more external treat-ment methods of traditional Chinese medicine as auxiliary intervention measures should be introduced.