我国是“一对夫妇只生一个孩子”政策的国家,生个健康孩子是每对夫妇及整个社会的共同愿望,但是由于各种不良因素导致先天性和遗传性疾病患儿的出生,给家庭和社会造成沉重的精神负担和经济负担,且目前没有有效的治疗方法,故如何降低患儿的出生率,是人们所关注的焦点。产前诊断? China is a country where “one couple has only one child” policy. Born a healthy child is the common wish of every couple and the whole society. However, due to various unfavorable factors, the birth of children with congenital and hereditary diseases leads to the family And the community caused a heavy mental burden and financial burden, and there is no effective treatment, so how to reduce the birth rate in children is the focus of attention. Prenatal diagnosis?