【摘要】 本文作者报道了在１９９２年山西忻州发生一起６０~Ｃｏ源意外事故中，一妊娠４．５月妇女（芳）受６０~Ｃｏγ射线照射后患了急性中度放射病［１］，宫内胎儿发育迟缓，婴儿出生后身长、体重，头围均低于正常第３百分位数，产后母婴外周血淋巴细胞染色体检查，母亲染色体畸变率为３６％，婴儿则未见到畸变的染色体，但姐妹染色单体交换率高于其母亲和正常对照，统计学处理差异有显著性。更多还原

【Abstract】 This paper presents the clinical effect and chromosome damagesustained by a fetus and the four months pregnant mother in an accidental 60Coexposure in November of 1992 in Xinzhou,Shanxi Province.The mother suffered from a moderate acute radiation sickness with ratardation of fetal develoment.After delivery,the infants body length,body weight and head circumference wereall lowered by three percentiles compared with the normals.Four months after the exposure,the assay of the mothers peripheral lymphocytes showed a chromosome aberration rate of 36%,while concomitant examination of the baby failedto reveal any chromosome abnormality although the sister chromatid exchange rate was remarkably higher than that of the mother and the normal control.更多还原