【摘要】 <正> 我们于1982年3～6月在天津市八所医院进行了新生儿先天性畸形发病因素的回顾性配对调查。本文所研究的对象系指婴儿初生时外表可见的先天性畸形。一、材料和方法(一)病例及对照的选择:在孕妇分娩时,医务人员立即对新生儿进行较详细的检查,凡发现有任何畸形或先天性痴呆者都做更多还原

【Abstract】 The incidence of congenital malformations in Tianjin was 5.82‰ in 1981.It washigher in winter and spring than that in summer and autumn.Multiple malformationsand spina bifida occupy greater proportion among all kinds of cases.The data ofretrospective matching investigation of 60 pairs of cases indicated that the familyhistory of malformation of the parents greatly influenced the foetal malformation(RR = 15).In addition,viral infection in early gestational period.X-ray irradiation,exposure to toxic and harmful materials during gestational period all are related tofoetal malformations.更多还原