1Birth Desire and Influencing Factors in Those Women with One Child under the Comprehensive Two-Child PolicyLIANG Ai-yuOriginal Article5-102Study on the Toxicity of BaP in Early Pregnancy and Protective Effect of Schisandra Chinensis in Embryo DamageLIANG Jing, HOU Hai-yan, WANG Meng, CHEN Ya-qiongOriginal Article10-153Effect of Various Endometrial Preparation Protocols in Frozen-Thawed Embryo Transfer Cycles on the Clinical Outcomes of the Patients with Polycystic Ovarian SyndromeJI Xiao-yuan, WANG Jia-yi, ZHAO Chun, LI Xin, LING Xiu-feng, ZHANG Jun-qiang, SU YanOriginal Article16-194The Level of Serum Vitamin D and the Pregnancy Outcome of In-Vitro Fertilization/Intracytoplasmic Sperm Injection-Embryo Transplantation in Women with Polycystic Ovary SyndromeWAN Yan-ling, HAO Cui-fangOriginal Article20-255Pregnanc y Outcomes of Artificial Insemination in Natural Cycle and Artificial Cycle for Women with Different Body Mass IndexWU Rong, WU Huan, WANG Chao, WANG Ying, HU Jing-jing, WEI Zhao-lian, CAO Yun-xiaOriginal Article26-296Effect of Human Chorionic Gonadotropin on the Transfer Day of Frozen-Thawed Embryo Transfer Cycles on Pregnancy OutcomesLIU Yi-xuan, ZHU Min, YAN Hong-li, ZHANG Hui-qin, DU Hui, ZHANG Wen-jing, FENG Shu-gai, WANG Ji-mang, YIN Hui-rong, SONG Di, CAI Yan-ping, HU Ting-ting, HONG Yi, WU Hai-shen, WANG Ling, SHI Min-fengOriginal Article30-347Effect of GnRHa Ultra Long Protocol on Clinical Outcomes of IVF/ICSI-ET in Patients with Different Stages of Endometriosis: A Meta-AnalysisLI Xin-xin, ZHANG Ao, QUAN SongOriginal Article35-428Expression Profile of MiRNAs Associated with Vascular Remodeling in Decidual Tissue of Early PregnancyYU Tian-tian, HONG Li-huaOriginal Article43-479Clinical Characteristics and Laparoscopic Treatment of 21 Cases with Bowel EndometriosisSUN Yu-xin, LIU Qing, LIU Kai-jiang, LI Pei-quanOriginal Article48-5210Quantitative Evaluation of the Quality of High-Resolution Chromosome G Band Preparation of Peripheral Blood LymphocytesHU Liang, LUO Xiao-jin, CONG Xiao-yi, PEI Yuan-yuan, WEI Feng-xiangOriginal Article53-5511Positive Rate of Ureaplasma Urealyticum in Female Migrants of Child-Bearing Age in Ningxia Hui Autonomous RegionZHOU Ying, LI Yu-yan, BAI Tie-ling, ZHAO Rui, YANG Hong-lin, LI Yi-ran, WU Jun-qingOriginal Article56-5812Clinical Application of Acupuncture in Treatment of Poor Ovarian ResponseZHANG XiangReview59-6213Advances in the Treatment of Tubal Pregnancy and Its Influence on Future FertilityYANG Cui-liReview63-6714Advances in Genetic Pathogenesis of EndometriosisCAO Xian-lingReview67-70,8215Fertility Preservation of Young Women Undergoing ChemoradiotherapyWANG Qiu-man, ZHAO Ye, YAO Li-ting, HAN Xiao, CAO Jie-qiongReview71-7416Effect of Glutamine Metabolism on Biological Behavior of Ovarian Tumor CellsLI Wen-jing, SUN Si-manReview75-77,8617Clinical Outcomes of Mosaicism Embryos in Assisted Reproductive TechniquesYANG Xiao-xuanReview78-8218A Case Report of the Cervical Pregnancy Combined with Tuberculosis Recurrence after Assisted Reproductive TechnologyZHU Hai-ying, LUO Xiao-rong, CAI Wen-yuan, ZHANG Xue-hongCase Report83-86 