1The history and development of assisted reproductive technologiesZHUANG Guang-lun729-7312Urgent attention to the issues in the field of reproductive medicine in ChinaZHOU Can-quan732-7343The choice of methods in assisted reproductive technologiesSUN Ying-pu, WANG Fang735-7384Personalized approach in controlled ovarian stimulationSUN Mei, CHEN Zhi-jiang738-7415The necessity,timing and dose of luteinizing hormone added in superovulation programHE Fang-fang741-7456The application of pituitary down-regulation in controlled ovarian hyperstimulationCAO Yun-xia, XU Qian-hua745-7487Definition,diagnosis and countermeasures of luteal function and luteal defectsAI Ji-hui, ZHU Gui-jin748-7508Causes and countermeasures of recurrent implantation failure in assisted reproductiveLU Guang-xiu750-7559Quality control and construction of assisted reproductive technology laboratoryHUANG Guo-ning, LIU Dong-yun, HAN Wei755-75810IVF failure and countermeasuresLIU Ping, ZHENG Xiao-ying758-76111Prevention and treatment of ovarian hyperstimulation syndromeQUAN Song, CHEN Xin761-76512Coping strategies in twin pregnancy of assisted reproductive technologySHAO Xiao-guang, SHI Yan-bin, ZHANG Jie765-76813The challenge of preimplantation genetic diagnosis technologyXU Yan-wen768-77214Fertility protection and preservation in femaleYAN Jie, QIAO Jie772-77615Sperm bank technology and macroeconomic managementLIANG Xiao-wei, CHEN Zhen-wen776-77716Expression of S100A6 in eutopic and ectopic endometrium of ovarian endometriosis patientsZHANG Xiao-ling, QIU Lin, YU Xiao-hong, ZENG Hui-hong, LIU Huai778-78017Assessment of the endometrial-subendometrial parameters by three-dimensional uhrasonography and power Doppler angiography in patients with unexplained recurrent miscarriageCHEN Lei-ning, LI Hong, CHEN Cui-hua, QIU Yu-wen, CHEN Si-mei, LUO Chen, Qiu Zuo-lin, XING Fu-qi, QUAN Song781-78318Clinical analysis of 336 cases with endometrial polypoid adenomyomaZHANG Xun, WANG Qin-jie, WANG Yu-jue, GAO Xue-mei784-78619Study on the efficacy of combined antibiotics and Kangfuxiaoyan Shuan therapy on the patients with pelvic in-flammatory diseasesLIU Zhao-hui, LIAO Qin-ping787-789 