近年来,艾滋病在中国呈逐年上升趋势,控制任务十分艰巨[1]。艾滋病的母婴垂直传播严重威胁妇女儿童的身心健康[2]。因此,预防和控制艾滋病的母婴传播意义重大。云南省梁河县孕产妇人群人类免疫缺陷病毒(human immunodeficiency virus,HIV)感染者有逐年上升趋势,为了解其感染状况,为预防母婴传播提供依据,对2007年1月—2011 In recent years, HIV / AIDS has been on the rise in China and the control task is arduous [1]. The vertical transmission of mother-to-child HIV / AIDS is a serious threat to the physical and mental health of women and children [2]. Therefore, the prevention and control of mother-to-child transmission of AIDS is of great significance. The number of HIV-infected pregnant women in Lianghe County of Yunnan Province has been increasing year by year. In order to understand the status of the infection and provide the basis for prevention of mother-to-child transmission,