1New classifications for female genital tract malformationsDENG Shan361-3672Diagnosis and management of uterine malformationXIA En-lan367-3713Hysteroscopic septum insection in the treatment of septate uterusWANG Su-min, GU Xiao-yan, XU Feng371-3744Diagnosis and treatment of oblique vaginal septum syndromeSUN Li-ying, ZHU Li374-3775Diagnosis and treatment of MRKH syndromeLIU Yi-bin, YAN Lu, ZHANG Jing-kun, HUANG Xiang-hua377-3816Surgical techniques of laparascopic peritoneal vaginoplasty(Luohu Ⅱ procedure)QIN Cheng-lu, ZHANG Di-kai381-3857Surgical key points of laparoscopic vaginoplasty with intestineLIU Jian-hua, WANG Ping385-3878Advantages and disadvantages of different vaginoplasty proceduresLUO Guang-nan, QIN Cheng-lu387-3929Diagnosis and management of female ambiguous genitaliaTIAN Qin-jie, LUO Min392-39610Diagnosis and treatment of genital anomalies in women with gonadal dysgenesisQIAN Hong-lang, ZHANG Xin-mei396-40011Fertility in patients with disorders of gonadal dysgenesisXU Yan-wen, HU Xiao-kun400-40412Efficacy of chemotherapy regimens as primary treatment for gestational trophoblastic neoplasm with high-risk factorsJI Ming-liang, JIANG Shi-yang, ZHAO Jun, XIANG Yang, WAN Xi-run, FENG Feng-zhi, REN Tong, YANG Jun-jun419-42413Impact of body mass index on outcomes of in vitro fertilization/intracytoplasmic sperm injection-embryo transfer in patients with polycystic ovary syndromeCHENG Lan-lan, FENG Zong-gang, WAN Li-jing, TAN Li425-42814Early prediction of gestational diabetes mellitus at 14-20 weeks: a practical model based on clinical characteristics and selected metabolic markersXIAO Xi-rong, DONG Xin-ran, LI Xiao-tian, YIN Chuan-min429-43215Familial genetic analysis of osteogenesis imperfecta and the study on preimplantation genetic diagnosisCHEN Da-wei, ZHANG Zhi-guo, HAO Yan, ZHOU Yi-ru, ZHOU Ping, WEI Zhao-lian, CAO Yun-xia433-43816Application of preoperative placement of abdominal aortic balloon with the assistance of MRI in the treatment of patients with pernicious placenta previa and placenta incretaWANG Tian-ping, JIN Wen-tao, ZHANG Di, WANG Shi-jia, ZHANG Guo-fu439-44317Clinical efficacy observation of Dingkun Pills combined with clomiphene in the treatment of polycystic ovary syndrome with infertilityWEI Ai-wu, XIAOHUI Dong-zi, SONG Yan-li444-44718Prenatal ultrasonic diagnosis of fetal pachygyria: analysis of 6 casesOUYANG Chun-yan, SHANG Ning, XIAO Zhen, MA Xiao-yan, WANG Li-min448-450 