1Number of Children and Mother Career Development under the "Two-Child" Background——Based on Logistic Differential Decomposition ModelZHANG Ping, LI Yue-ming, MAO Zhuo-yanOriginal Article181-1862Fertility Index as a Predictor of Pregnancy Pattern Selection for Patients with Endometriosis after Laparoscopic SurgeryYE Jing-jing, LI Liu-xia, HU Zhen-hua, ZHU YingOriginal Article187-1913The Relationship between Fertility Stress and Life Quality in Non-Pregnant Patients after IVF-ETSHI Li, LUO Li-yan, SONG Dong-hong, CHEN Li-xueOriginal Article191-1954Association of ERα Pvu Ⅱ and Xba Ⅰ Polymorphism with Male Infertility in Chinese Zhuang PopulationLI Jie, YUAN Hui-xiong, PANG Yan-fang, WEI Yu-xia, CHEN Wen-cheng, WANG Jun-liOriginal Article196-2005Comparison of Two Protocols in Infertile Patients with PCOS Underwent in Vitro Fertilization-Embryo Transfer CyclesWANG Hai-yan, LI Bei-qing, LI Yue-hongOriginal Article201-2046Effects of Lowered Oxygen Concentration in Embryo Culture on the Outcomes of In Vitro Fertilization-Embryo Transfer for Elderly WomenYU Qiu-feng, WANG Hui-jie, CHEN Yan, JIA Xiao-li, ZHOU Xian-qiong, CHEN Ya-jun, HUANG Zhi-yong, GAO Song-cheng, FU Xue-wen, WANG Ai-pingOriginal Article205-2077Clinical Outcomes of Frozen-Thawed Single Blastocyst Transfer on Different Developmental DaysLYU Xing-yu, MENG Xiang-qian, WANG Qi, HUANG Jun, GENG Li-hong, ZHONG YingOriginal Article208-211,2168Pregnant Outcome of Different Blastocyst Culture Time after Thawing of Vitrificated Cleaved EmbryosCHEN Xi-xi, LI Shu-zhen, LI Ping, GUO Jiang-hua, LIANG Hui-hongOriginal Article212-2169Clinical Analysis of Da Vinci Robotic-Assisted Laparoscopic MyomectomySHUAI Yu, JI Mei, ZHAO Zhao, LI Shun-shuang, LI Yue, XU Peng-linOriginal Article217-22010Analysis on Contraceptive Knowledge and Related Factors of Migrant Population in ChengduLI Yi-ran, WU Jun-qing, LI Yu-yan, ZHAO Rui, ZHOU Ying, JI Hong-lei, YU Lin-linOriginal Article221-22411Factors Related to Complete IUD Perforation in 56 CasesZHANG Min, YANG Yue-hua, XU Hao-qinOriginal Article225-22712Effectiveness of the Contraceptives Used Immediately after Repeated Abortion in 1 251 CasesFAN Bao-guang, ZHANG Yue-hong, HAN Mei, GONG Yun-xia, WANG Bin-hong, DENG LeiOriginal Article228-23013@@231-23314Oocyte Activation Deficiency:Causes and CountermeasuresZHANG Ao, LUO Chen, LI Xin-xinReview234-23715Disorder of Complement System in Recurrent Spontaneous AbortionZHAO Xiao-xuan, ZHANG Rui, LI Na, CHEN Lu, LI Da-zhiReview238-242,25116Chronic Inflammation in Pathogenesis of Polycystic Ovary Syndrome and Research ProgressLI Zi-han, ZHANG Ning, ZHANG Jian-xiaReview243-24617Ethical Consideration of Fertility Preservation Seeking of Elder Single WomenWANG Meng-pingReview247-25118Progress in Diagnosis and Treatment of Retained Products of ConceptionLYU Shan-shanReview252-25619Effects of Physical Exercise on Male Reproduction: A ReviewZHOU Wei-hang, CHEN Shao-an, YU Feng-hao, GAO Jun-da, LIU YueReview257-26120@@262-264 