1Status, Challenges and Development of Reproductive Health Education for Unmarried Migrant AdolescentsZHENG Xiao-ying, ZHANG Lei6-82Clinical Application of Oral Contraceptives and its Risk of Cardiovascular DiseasesLI Ying9-12,313Confusion about Providing Sexual and Reproductive Health Service for Unmarried Youth Migrants:Voice from Suppliers and DemandersGUO Hua, ZHANG Lei, PANG Li-hua, HU Cheng-hua, ZHENG Xiao-ying13-184Characteristics of Concept,Cognition and Behavior of Sexual and Reproductive Health of Unmarried Migrant Adolescents--A Qualitative Interview Study in Six Provinces of ChinaWANG Lei, ZHANG Lei, HU Cheng-hua, PANG Li-hua, ZHENG Xiao-ying19-225Study on Hetero- and Homo- Sexual Behaviors and Influencing Factors in Unmarried Out-of-school Youth Aged 15 to 24 YearsHU Ta-jing, ZUO Xia-yun, LIAN Qi-guo, WANG Zi-liang, YU Chun-yan, TU Xiao-wen, CHENG Yan, LOU Chao-hua23-276Study on Contraceptive Use among Induced Abortion Women in ShanghaiTANG Wen-juan, LI Xian-chen, CUI Yuan-qi, JIANG Wei, LOU Chao-hua, YU Chun-yan, WANG Zi-liang, ZHU Qian-qian, CHENG Yan28-317Effects of Post-abortion Care on Improving Contraceptive UseCHEN Jing, HOU Shu-ping, ZHU Wen-lei, LI Shu-min32-378Effect of Post-abortion Care on Psychological State and Contraception Right after Artificial Abortion among Unmarried WomenSHI Jing-fang38-409Analysis of Infection of Common Vagina Pathogens in Women with Early Pregnancy before AbortionZHANG Bu-mei, WANG Jian-mei, ZHANG Yu, HUO Yan, XIN Ya-wei, YIN Wen-jing41-42,5910Relationship between Educational Level and Folic Acid Supplementation in Child-bearing Chinese Women:A Meta -analysisWANG Hong-wei, MAO Qun-xia, LIU Qing43-4711Association between Pregnancy Rate of AID with Clomiphene Citrate and Follicle Size on hCG DayLIU Yu, FAN Rong-rong, SONG Ge, ZHONG Xiao-ying, CHEN Rui-ling, PAN Ping, JIANG Rong-hua, LI Qiu-hua, ZENG Li-ping48-5012Toxic Effect of Formaldehyde on Human First Trimester CytotrophoblastsCAI Xiao-hui, LIN Qing51-5213Reproductive Health in Chinese Women:Current Status and SuggestionXU Zhu-ping, HAN Dai-hua, LIANG Yu-jie, WU Lin, XU Jian-guo, WANG Yang53-5514The Fertility Awareness-based Methods：A ReviewZHANG Yan-ping, ZHANG Mei-hua, GAI Ling, YANG Dan-tong, WANG Lei-guang56-5915SOCS3 Gene and Human DiseasesLIU Zhong-hui, HAO Cui-fang60-6316P38αMAPK in the Female Reproductive SystemHU Shi-fu, XIA Wei, ZHU Chang-hong64-6817Placental Perfusion Model and Its Application in the Study of Placental Material TransporZHAO Li-ying, SONG Dian-rong69-71,7918Expressions of Some Genes in Human Cumulus Cell Related to Developmental Potential of EmbryoBAO Xiao, XU Jia-wei, SUN Ying-pu72-7419Association between Endometriosis and Epigenetics & Enviromental FactorsWU Xia-di, QU Juan, CUI Yu-gui, MAO Yun-dong75-7920Application of Autologous Ascites Reinfusion in Ovarian Hyperstimulation SyndromePEI Xue-ting, ZHOU Ping80-82 