出生缺陷是影响人口素质的重要因素，一直是我县围产儿死亡的主要原因之一。为贯彻《中华人民共和国母婴保健法》，实现《九十年代中国儿童发展规划纲要》中提出的主要目标，大幅度降低残疾儿的出生率，提高出生人口素质，现对大兴县医院1989～1995年住院分娩的12383例围产儿出 Birth defects are an important factor affecting the quality of the population and have been one of the major causes of perinatal death in our county. In order to implement the “Law of the People’s Republic of China on Maternal and Infant Health Care” and achieve the major goals set forth in the “Outline for the Development of Children in China in the 1990s”, the birth rate of disabled children is substantially reduced and the quality of the population born is increased. 12383 cases of perinatal delivery in hospitalized children out