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心脏病是遗传和环境因素等复杂关系相互作用的结果,下列因素可能影响到胎儿的发育而产生先天性畸形。1、胎儿发育的环境因素:①感染:妊娠前三个月患病毒或细菌感染,尤其是风疹病毒,其次是柯萨奇病毒,其出生的婴儿先天性心脏病的发病率较高。②其他:如羊膜的病变.胎儿受压,妊娠早期先兆流产,母体营养不良、糖尿病、高血钙,放射线和细胞毒性药物在妊娠早期的应用,母亲年龄过大等。
Heart disease is a result of the complex interactions between genetic and environmental factors. The following factors may affect the development of the fetus and result in congenital malformations. 1, environmental factors of fetal development: ①Infections: virus or bacterial infection in the first trimester of pregnancy, especially rubella virus, followed by Coxsackie virus, the incidence of congenital heart disease in infants is higher. ② other: such as amniotic lesions. Fetal pressure, threatened abortion in early pregnancy, maternal malnutrition, diabetes, hypercalcemia, radiation and cytotoxic drugs in early pregnancy, maternal age is too large.