1Advances in the Role of Neutrophil Activation in Vascular Endothelial Function Damage in the Pathogenesis of Pre-EclampsiaXU Zhen-hua, MA Ting-xue, WANG Yong-hongObstetric Physiology & Obstetric Disease365-3682Research Progress of Microparticles Induced Neutrophils Activation Leading to Vascular Endothelial InjuryHU Meng-ting, WANG Yong-hongObstetric Physiology & Obstetric Disease369-372,3833The Role of Microparticles in Regulating the Expression of Neutrophil Extracellular Traps in the Pathogenesis of Pre-EclampsiaCUI Jia-lei, WANG Yong-hongObstetric Physiology & Obstetric Disease373-3774Advances and Prospect in First Trimester Prediction for Pre-EclampsiaHE Yun-ting, WANG Xiao-jin, WANG Bing-shunObstetric Physiology & Obstetric Disease378-3835Progress of Pregnancy-Associated Plasma Protein A and Placental Growth Factor in Predicting Pre-EclampsiaZHU Dan-mo, LIU Xue-qiong, LU DanObstetric Physiology & Obstetric Disease384-3876Pre-Eclampsia and Maternal Diseases Later in LifeJIA Yan-ju, CUI Hong-yan, FENG Hua, CHEN XuObstetric Physiology & Obstetric Disease388-3937Advances in Study of Methylenetetrahydrofolate Reductase Gene Polymorphisms in Obstetrics and Gynecology FieldZHANG Ya-li, JIN Shuang-ling, ZHANG Chun-yan, WANG Guo-pingObstetric Physiology & Obstetric Disease394-3988The Obstetrics Outpatient Service Construction and Maternal Management Strategy in the COVID-19 Epidemic AreaWU Qian, CHEN Ying, YANG Sai-hua, SONG Cheng-wen, LI Liang, TONG MingObstetric Physiology & Obstetric Disease399-4019Analysis of the Correlation between Laterality of Absent Umbilical Artery and Fetal Congenital MalformationsLI Qiao-rong, LONG Xiang-dang, YAO Sui, WANG Li-ping, SHEN Jian-hua, XIANG Li-qun, ZHONG Xin, ZENG XuanObstetric Physiology & Obstetric Disease402-404,后插110A Case Report on Twin Pregnancies with Torsion of Ovarian Cyst Pedicle after Embryo Transfer and Literature ReviewQIU Li-na, WANG Hua, DONG Qu-longObstetric Physiology & Obstetric Disease405-40811Emergency Cervical Cerclage in Twin Pregnancies:A Case Report and Literature ReviewCHEN Jia, LI Ying-tao, ZHONG Cai-juan, LIANG Li-xuan, HUANG Ying-min, WANG Yan, ZENG Li-zhuObstetric Physiology & Obstetric Disease408-412,后插112The Clinical Evaluation for Women with Asymptomatic Endometrial Thickening after MenopauseSHI Zan, XUE Xue, SHI Pan-pan, HE Yong-yan, WANG Xiao-lin, Lyu Shu-lanGynecological Disease & Related Research413-41613Research Progress of Vaginal Laxity Syndrome in EtiologyBAI Jun, HAO Yu-jing, GAO Yan-pingGynecological Disease & Related Research417-42114Advances in the Prevention and Treatment of PCOS Complications by Omega-3 Fatty AcidsLI Wei, CHEN Jing, KUANG Hong-ying, WU Xiao-ke, AI Wen-xiaGynecological Disease & Related Research421-42415Research Progress of EZH2 in Ovarian CancerJIANG Mei, YUE Wen-taoResearch on Gynecological Malignancies425-42816Research Progress of Regulatory T Cells and Tumor Immunity of Ovarian CancerFENG Xue, WANG Li-qun, LU Mei-songResearch on Gynecological Malignancies429-43217Research Progress on Malignant Mechanism of Atypical Ovarian EndometriosisWANG Xue, SHI Qiao-rui, WANG Xiao-huiResearch on Gynecological Malignancies433-436,44218Research Progress of DNA Damage Response Pathway Inhibitors in the Treatment of Ovarian CancerWANG Ke-ruo, LI Hui-kai, QIN YuResearch on Gynecological Malignancies437-44219Advances in Diagnosis and Treatment of Early Low-Risk Cervical CancerZHAO Jian-guo, QU Peng-pengResearch on Gynecological Malignancies443-44620Controversy over Surgical Treatment of Early-Stage Cervical Cancer and Causes AnalysisWANG Qing-xuan, WANG Tian, HU Yuan-jingResearch on Gynecological Malignancies447-450 