控制人口数量 ,提高人口素质是我国的人口政策。近些年来对于控制人口数量作出了显著成绩。关于提高人口素质虽然也作了一些工作 ,如产前诊断、孕前和孕期病原体感染的检测和预防性治疗等 ,但是由于病残儿的发生原因非常复杂。从引起病残儿发生的各个环节采取有效措施 ,防止残 It is our country’s population policy to control the population and improve the quality of the population. In recent years, remarkable achievements have been made in controlling the population. Although improving the quality of the population has also made some work, such as prenatal diagnosis, pre-pregnancy and pregnancy pathogen infection detection and prophylactic treatment, but due to the reasons for the disabled children is very complicated. From all aspects of the disabled children take effective measures to prevent residual