1Effect of Estrogen Starting Time on the Outcome of Frozen-Thawed Embryo Transfer in Hormone Replacement Treatment after GnRHa Down RegulationXING Ya-chun, SU Yan, ZHAO Chun, LI Xin, LING Xiu-fengOriginal Article89-922Jinfeng Pill Combined with Recombinant Human Growth Hormone Improved Endometrial Receptivity in Patients with Thin-Endometrial InfertilityLIU Shan, XIE Kai-hui, WEI Rui-xia, CONG Xing, FENG Xiao-ye, WU Yuan-yuan, YANG BoOriginal Article93-973Clinical Outcomes of IVF/ICSI-ET in Patients with Scared Uterus after Cesarean SectionQIN Xi, ZHANG Fan, QIN Mei, FAN Li, WEI Xiao-huaOriginal Article98-101,1104Effect of Chewing Gum on Gastrointestinal Function after Cesarean Section:A Meta-AnalysisJIANG Tong-can, WANG Pei-ru, TAO Feng, CHEN Hong-boOriginal Article102-1105Clinical Application of the Hysteroscopy Combined with Laparoscopy and Ultrasound in Treatment of Non-Ruptured and Evagination Type Cornual PregnancyZHANG Bo, MENG Ge, FANG Rui-juanOriginal Article111-1146A Case Report of Cornual Heterotopic Pregnancy Remained Pregnancy Residue on Uterine Angle after Laparoscopic SurgeryCHEN Li, LYU Jiang-tao, HAO Li-juan, SUN Wen-jieCase Report115-117,封37Cotyledonoid Hydropic Intravenous Leiomyomatosis: A Case ReportLIU Xiao-hui, JIANG Meng-xue, YU Jing-jing, ZHANG Shi-kai, ZHI Li, TIAN GengCase Report118-120,封38Precision Medicine in the Field of Assisted ReproductionLANG Peng, SHI Xiao-dan, ZHANG Jun-qiangReview121-125,1469Male Infertility Associated with Three Kinds of Respiratory DiseasesLIU Cai-zhao, WANG Jia-xiong, FAN Cai-bin, YANG Shen-minReview126-13010Animal Model of Premature Ovarian InsufficiencyFU Yu-jie, SUN Xiao-yan, ZHANG Xue-hongReview131-13611Advances in Clinical Diagnosis and Treatment of Premature Ovarian InsufficiencyCHENG Ming, JIA Chan-wei, LIU YingReview137-14112Research Progress on PGC-1α in OvaryGE Ting, YANG Xiao-kuiReview142-14613Advances in Immune Factors of Recurrent Implantation FailureZHOU Yu-xi, XIE Qi-jun, SHEN Rong, LING Xiu-feng, ZHAO ChunReview147-15214Candidate Genes Related to Polycystic Ovary SyndromeMA Li-na, MA Hong-li, GAO Jing-shu, WU Xiao-keReview153-156,16215Progress in the Treatment of Thin EndometriumLIU Yi-tong, ZHOU ShuReview157-16216Severe Idiopathic Thrombocytopenic Purpura in Pregnant WomenZHANG Jia-ying, LING LiReview163-16617Progress in Diagnosis and Treatment of Pregnancy Associated with Ovarian TumorsXIN Yu-qi, WANG Xiao-huiReview167-17118Research Progress of Tumor Immunotherapy in Endometrial CancerZHU Meng-di, ZHAO Guo-yun, YUAN Jing, SUN Yu-huiReview172-176 