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遗传因素、物理因素、化学物质及生物因素,都可以导致胎儿先天性异常,后三个因素是可以预防和克服的。首先,对这些因素要有认识。本文想侧重谈谈生物致畸问题,即病毒感染与胎儿畸形的关系。风疹病毒、弓形体原虫、巨细胞病毒、单纯疱疹病毒,是目前世界上公认的具有致畸作用的病原微生物。换句话说,孕妇在妊娠过程中,特别是早孕期间即怀孕三个月以内感染了这些病原体,则胎儿发生畸
Genetic factors, physical factors, chemical substances and biological factors, can lead to congenital anomalies in the fetus, the latter three factors can be prevented and overcome. First, understand these factors. This article would like to focus on the issue of teratogenicity, that is, the relationship between viral infection and fetal malformations. Rubella virus, toxoplasma gondii, cytomegalovirus, herpes simplex virus, is the world’s recognized pathogenic microorganisms with teratogenic effects. In other words, pregnant women during pregnancy, especially in early pregnancy that is infected within three months of pregnancy with these pathogens, the fetus is abnormal