细菌性阴道病(BV)是育龄期妇女常见的阴道感染。国外文献报道BV在妇科及计划生育门诊的发病率为15%~29%[3-5],在妊娠妇女的发病率为16%~29%[3-5]。妊娠合并BV与早产,胎膜早破,及产褥期感染有关[2]。为探讨药物治疗晚期妊娠合并BV对不良妊娠结局的预防效果,本文采用甲硝唑栓阴道 Bacterial vaginosis (BV) is a common vaginal infection in women of childbearing age. Foreign literature BV incidence in gynecological and family planning clinics for 15% to 29% [3-5], the incidence of pregnant women was 16% to 29% [3-5]. Pregnancy with BV and premature birth, premature rupture of membranes, and puerperium infection [2]. In order to explore the drug treatment of advanced pregnancy with BV on the prevention of adverse pregnancy outcomes, this paper uses metronidazole suppository vaginal