1Research Progress on the Mechanism of Tumor Resistance in Polyploid Giant Cancer CellsDING Yi-ling, LU Di, SONG Dian-rongResearch on Gynecological Malignancies361-3652Advances in Methylation Detection for Ovarian Cancer Screening and DiagnosisSU Hai-qi, LI LeiResearch on Gynecological Malignancies366-3693Research Advances of Exosomes in Angiogenesis of Ovarian CancerZHANG Jing-yi, LIU Dong-zhe, CHEN Xiu-huiResearch on Gynecological Malignancies370-3744The Role and Treatment of Mitochondria in Endometrial CarcinomaZHANG Yi-tian, LI Xiao-liResearch on Gynecological Malignancies375-3795A Case Report of Primary Ovarian Carcinoid with Liver MetastasesZHANG Ting-ting, YU Ping-yuan, CHEN Xi, ZHENG Duo, YANG Yong-xiuResearch on Gynecological Malignancies380-3836Malignant Transformation of Mature Cystic Teratoma of Ovary:A Case ReportJI An-xuan, ZHAO Shu-huaResearch on Gynecological Malignancies384-3877Broad Ligament Endometrioid Carcinoma:A Case ReportYAN Hai-yan, YIN Qing-qing, WANG Mei, ZHANG Ai, YE Wen-feng, LI Tian-tianResearch on Gynecological Malignancies388-3918A Case Report of Complete Androgen Insensitivity Syndrome Complicated with DysgerminomaYIN Yu-xin, WANG Chang-heResearch on Gynecological Malignancies392-3949Hormonal Pathways and Regulatory Factors That Lead to Endometrial DiseaseGUO Xi, WEI Jia, YANG Yong-xiuGynecological Disease & Related Research395-40010Non-Surgical Treatment Methods for Pelvic Floor DysfunctionTAN Mi, TAN Qing-qingGynecological Disease & Related Research401-40511Progress in The Application of Ultrasound-Guided High Intensity Focused Ultrasound in Gynecological and Obstetric DiseasesZHANG Yan, HU Meng-ying, WANG Hua, DONG Qu-longGynecological Disease & Related Research406-41112The Research Progress on Related Risk Factors and Treatment of Sleep Disorders in Perimenopausal and Postmenopausal WomenHE Fei, ZHOU Jian-hong, CHU Ke-tanGynecological Disease & Related Research412-416,44113Perinatal Depression Symptom Detection Rate and Influencing Factors in Economically Underdeveloped Areas of SichuanHUANG Yue, TAN Xin-lin, YUAN Yu-hong, ZHANG Qiang, REN Yu, BIN Dong-mei, QI Hong-bo, SHI QiGynecological Disease & Related Research417-42314Human Umbilical Cord Mesenchymal Stem Cells Treat Mouse Premature Ovarian Insufficiency through GDF-15/FOXO3aSI Xiao-sa, WANG Jian-bo, WENG Ping, SHI Peng-fei, WANG Chang-liang, CHEN Chen, WANG YongGynecological Disease & Related Research424-43215A Case of Recurrent Adolescent Ovarian Cyst after Two Torsion OperationsSHI Jie-chun, FAN Zi-yu, GU Chen-jie, MA Xin-yu, XING YanGynecological Disease & Related Research433-43716Severe Anemia Associated with Immune Checkpoint Inhibitor:A Case ReportYANG Zu-jiao, NING Xian-ling, LIU Zhou-mei, WANG Wen-yan, YIN Qiao-xian, YANG Xie-lanGynecological Disease & Related Research438-44117Clinical Application and Modern Pharmacological Progress of Traditional Chinese Medicine in PreeclampsiaREN Yi, HU Yu-lian, WANG Xin, ZHANG Qi, LIU Chao, GAO Hui-jieObstetric Physiology & Obstetric Disease442-44718Confused Problem of Magnesium Sulfate in the Treatment of Preeclampsia and Its Adverse EffectsZHAO Li-xia, WANG Xiao-qingObstetric Physiology & Obstetric Disease448-45219Application Progress of Bioengineering Principle in Cervical Remodeling and Spontaneous Preterm LaborCHEN Xin-xin, LI Mao, JIANG FengObstetric Physiology & Obstetric Disease453-45720Research Progress on the Brain Injury in Survivors Following Single Intrauterine Fetal Death in Monochorionic TwinsHE Yu-ru, XIA Ge-qingObstetric Physiology & Obstetric Disease458-462 