1Advances in the Study of Fetal Intracranial HemorrhageMA Shuai, XU Ying, WANG Min, LI JieObstetric Physiology & Obstetric Disease481-4852Development of Fetoscopic Laser Coagulation for Twin to Twin Transfusion SyndromeLI Yu-bo, LI Jun-nanObstetric Physiology & Obstetric Disease486-4913Research Progress on the Application of Shock Index in Postpartum HemorrhageQIN Shi-yi, SHAO YongObstetric Physiology & Obstetric Disease491-4964Study on the Role of Placental Mitochondrial Function in the Pathogenesis of Pregnancy ComplicationsJI En-ting, XU Ya-xuan, ZHANG Chun-ren, HU Min, MA Hong-xiaObstetric Physiology & Obstetric Disease497-5015Effect of Uterine Microenvironment on Early Pregnancy in Patients with Recurrent Spontaneous AbortionLIN Kai-li, GUO Jie, ZHANG Wei, SONG Dian-rong, ZHANG Ji-wen, HUAI Qi-juan, ZHAO LinObstetric Physiology & Obstetric Disease502-5066A Simple Model Based on Fetal Head Circumference, Fetal Abdominal Circumference and Angle of Progression to Predict the Difficulty of Operative Vaginal DeliveryCHEN Hui, WU Su-qing, LIANG Xu-xia, ZHANG Shan-shan, MA Yan-hua, HU Qiong-yanObstetric Physiology & Obstetric Disease507-5137Study on the Extended Screening Model for Carriers of Genetic Deafness Susceptibility Genes in PregnancyXIE Xiao-yuan, FENG Shu-ren, LIU Hui-kun, WANG Lei-shen, LIU XiaObstetric Physiology & Obstetric Disease514-5188Fetal Limb Body Wall Complex:A Case Report and Literature ReviewHU Meng-shuang, MEI JingObstetric Physiology & Obstetric Disease519-5229Complete Hydatidiform Mole with Co-Existing Fetus:A Case Report and Literature ReviewLI Jian, WANG GuanObstetric Physiology & Obstetric Disease522-52510Ultrasound Diagnosis of Intramural Ectopic Pregnancy:A Case ReportZHANG Chi, YAN Ying, LIANG Xue-mei, LI Jing-yuObstetric Physiology & Obstetric Disease526-52911Research Progress of Negative Emotion in Patients with Polycystic Ovary SyndromeXU Hui, XIE Xiu-zhenGynecological Disease & Related Research530-53412Effects of Negative Emotion on Infertility Patients with Polycystic Ovary SyndromeKOU Li-hui, SONG Dian-rong, GUO JieGynecological Disease & Related Research535-53913Role of Anti-Müllerian Hormone in Pathogenesis, Diagnosis and Treatment of Polycystic Ovary SyndromeGAO Ya, LU Di, SONG Dian-rongGynecological Disease & Related Research540-54414Research Progress in Abdominal EndometriosisQIU Ling-bing, LI Jin-bo, CHEN Shu-qinGynecological Disease & Related Research545-54915Research Progress of Glucose Metabolic Reprogramming in EndometriosisLIU Jun-jun, ZHANG Ling, LIU YiGynecological Disease & Related Research550-55416Clinical Effect of Xingnao Kaiqiao Acupuncture on Postpartum DepressionWANG Qiang-yu, ZHANG Hai-yan, XIE An-ni, LI Xin-huaGynecological Disease & Related Research555-55817A Case of Ovarian Torsion and Necrosis after Ovarian Suspension SurgeryPENG Hao-chen, SHAO Ya-wen, CAO Xiao-cui, SUN Jian-hao, WU Zhen-zhenGynecological Disease & Related Research559-56218Mechanisms of Resistance to PARP Inhibitor and Its Combination Therapy Strategies to Improve Sensitivity in Ovarian CancerLI Bin, LIN Huan-huan, HAN Fei-fei, TIAN Mei-ling, DUAN Ai-hong, KE Xiao-ningResearch on Gynecological Malignancies563-56719The Combined Application of PARP Inhibitor and PD-1/PD-L1 Inhibitor in the Treatment of Ovarian CancerGUO Jing-jing, ZHANG Yun-feng, WANG YueResearch on Gynecological Malignancies568-57220Value of Patient-Reported Outcome Scale in Chemotherapy of Ovarian CancerWANG Jian-zhang, RUAN Dan-hua, ZHAO Tian-lang, LIU Rui, ZHANG Xu-yang, ZENG Jing, YIN Ru-tieResearch on Gynecological Malignancies573-577 