1Application of Gonadotrophin-releasing Hormone Agonist Pretreatment for the Women with Recurrent Implantation Failure in Frozen-thawed Embryo Transfer CyclesWU Hong-bo, LI Liu-ming, LI Mu-jun, LUO Jiang-xiaOriginal Article269-2722Intrauterine Pregnancy Companied with Cervical Ectopic Pregnancy Following in vitro Fertilization-Embryo Transfer: Two Cases ReportFAN Lin, LIU Feng-hua, WENG Hui-nan, XU Hong, CHEN YeOriginal Article273-276,封3314 Cases of Ovarian Torsion after in vitro FertilizationJIANG Lei, XU Su-xin, HAO Gui-minOriginal Article276-277,2944Effect of Human Early Decidual Stromal Cells on the Treg Cell Subsets in Peripheral Blood Lymphocytes of Reproductive Age WomenWU A-li, LIU Xiao-yun, LIU Fu-min, FENG Xia, ZHU Xue-wenOriginal Article278-281,封35The Relationship between Plasma miR-451 and EndometriosisSHI Jin-qiu, LU Jian-xiang, LI Bao-yanOriginal Article282-2846Analysis of Glucose and Lipid Metabolism Indexes in Patients with Normal Glucose Tolerance and Polycystic Ovary SyndromeGAO Jing, ZHOU Li, CHEN Hui, CHEN ChenOriginal Article285-2887Efficacy of Uterine Compression Hemostasis in the Treatment of 31 Cases of the First Trimester Cesarean Scar PregnancyLIAN Cheng-ying, CHEN Xiu-juan, HUANG Xiao-chen, NI Yi-huaOriginal Article289-2918Relationship between Subclinical Hypothyroidism during Pregnancy and AnemiaKANG Su-ya, WANG YunOriginal Article292-2949Research Progress of Glucose Metabolism of OocytesJIANG XinReview295-29810Effects of Oxidative Stress on Oocyte Development and the Outcome of in vitro Fertilization-Embryo Transfer: A ReviewOUYANG Xiao-eReview299-302,31211Research Progress of Human Follicular Fluid ProteomicsWEN Xiao-wei, ZHOU Li-xia, XIE Jun, KUANG Yan-pingReview303-30712Screening High Quality Blastocyst by Morphological and Kinetic ParametersWEI Ming-mingReview308-31213Research Progress of Mitochondrial DNA in Early Embryo DevelopmentCAO Ya-nan, HAO Jian-xiu, ZHANG Wen-ke, WANG LiReview313-31614Role of Long Non-coding RNAs in SpermatogenesisHUANG Jia-lv, CHEN Jun, ZHANG Liu-cheng, WU Jun-xiang, WU Yu-jianReview317-321,32615The Application of the GnRH Antagonist in in vitro Fertilization-Embryo TransferLIU Xiao-lianReview322-32616Research Progress of Epigenetic Mechanism of Polycystic Ovary SyndromeCAO Yu-mingReview327-33017Outlook of Stem Cells for the Treatment of Thin EndometriumYU Lu-pingReview331-33418Application of Ultrasound in Evaluating the Prognosis of Cervical ConizationLI Hui-dongReview335-33819Research Progress on Pathogenic Factors of Duplex Collecting SystemLI Bin, ZHANG Jian-jun, DUAN Wen-yuan, WANG Tong-jianReview339-34320Roles of Non-coding RNAs in the Regulation of ReproductionDU Chen, XU Yan-qiReview344-347 