1Incidence of Perinatal Congenital Heart Disease in China:A Meta-AnalysisXU Wen-jing, WEI Li-li, WANG Ying, WEI Ying, WANG Jian, MAO Bao -hong, TAO Zhong -bin, YANG Ke -hu, LIU QingOriginal Article269-2752Association of Sleep Disturbances and Polycystic Ovary Syndrome: A Meta-AnalysisGU Fang-yun, HOU Li-hui, XIA Xiao-yan, SUN Miao, LI Yan, HAO Song-liOriginal Article276-2793Analysis of the Pregnant Outcomes of Transvaginal Cervical Cerclage—MacDonald Operation in Twin PregnancyLIU Jian-hua, WANG Yu-xian, ZHAO Hui-ling, XI Xiao-liOriginal Article280-2834Analysis of Pregnancy Outcome of In Vitro Fertilization and Embryo Transfer in Patients after Cervical ConizationWANG Pei, DING Hui, LING Xiu-feng, ZHAO Chun, XIE Qi-jun, LI Xiu-lingOriginal Article284-286,3135Clinical Analysis of 128 Cases of Fetal Death in the Third Trimester of PregnancyZHANG Chun-xia, LIU Yan, WANG Tian, WANG Yan -yan, HUO YanOriginal Article287-2906Clinical Analysis of Five Cases of Uerine Arteriovenous MalformationWANG Xiao-ye, ZHOU Ying, WANG Wei, LIANG Hua-maoOriginal Article291-294,3537Giant Ovarian Tumor Coexisting with Pregnancy: Two Cases Report and Literature ReviewWANG Tian, WANG Yan-yan, ZHANG Chun -xia, LIU Yan, HUO YanCase Report295-2978Acute Hepatic Failure in A Pregnant Woman with Hepatolenticular Degeneration:A Case Report and Literature ReviewYU Yan-chao, JIN ZhenCase Report298-3009Atypical Uterus Rupture at Different Locations in Four CasesWANG Bei, MA Jun-lianCase Report301-303,35310A Case Report of Unilateral Ovarian and Unilateral Adrenal Non-Hodgkin's LymphomaGUO Yu-jing, WANG Hui-fei, LI Yao-qi, WANG Bi-hui, JIA Zan-huiCase Report304-307,35311Research Progress in Circular RNA in Female Reproductive SystemZHANG Xue-ying, YING Xiao-yan, XU Bo-qunReview308-31312Research Progress in MicroRNAs in Ovarian Granulosa CellsWEI Chao-feng, LIAN FangReview314-31813Research Progress in In Vitro Activation Therapy for Premature Ovarian InsufficiencyYIN Lan-lan, WANG Chen-xi, MA Tian-zhongReview319-32314The Correlation between Maternal Obesity and Offspring ObesityLIN Jing, CHEN Lei, JIA Xiao-ningReview324-32815Effect of Obesity on Fertility and InfertilityKANG Gui-juan, KONG Xiang-lingReview329-33516Research Progress in the Mechanism of Mechanical Stimulation to Improve Endometrial Receptivity in Patients with Repeated Implantation FailureHOU Zhi-jin, MENG Yu-shiReview336-34017Research Progress in Etiology of Female Genital Tract MalformationMENG Ge, DUAN Hua, MA Xiao-liReview341-34418The Role of Placental Exosomes in PreeclampsiaFENG Xiao-ling, GUO Lu-qin, LI NaReview345-34819Research Progress in Tumor Endothelial Cell Marker 1 in Diagnosis and Treatment of Ovarian CancerBAO Hui-jing, XU ChenReview349-352 