Objective To evaluate the importance of Torch serologic screening in pregnant women and to investigate the relationship between Torch infection and pregnant women with embryo standstills as well as women with habitual abortion. 目的探讨正常孕妇弓形虫、风疹病毒、巨细胞病毒、单纯疱疹病毒(Torch)感染血清学筛查的意义,妊娠伴胚胎停止发育及产史不良与Torch感染的关系。