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中枢神经系统（CNS）缺陷在先天畸形中占据重要位置，多为严重缺陷，常在围产期死亡，存活者留有严重的功能缺陷，生活不能自理。因此，进行CNS出生缺陷流行病学调查，防止其出生是优生学的重要任务。本文报道了重庆市17所医院1985年1月1日～1986年12月31日住院分娩的新生儿CNS出生缺陷调查结果。
Central nervous system (CNS) defects in congenital malformations occupy an important position, mostly serious defects, often in perinatal death, survivors have serious functional defects, life can not take care of themselves. Therefore, conducting an epidemiological investigation of birth defects in CNS to prevent its birth is an important task for eugenics. This article reports the findings of neonatal CNS birth defects in 17 hospitals in Chongqing from January 1, 1985 to December 31, 1986.