1976年7月28日凌晨,店山发生了强烈地震。为了研究母亲妊娠期遭受地震灾害对子代智力发育的远期影响,我们于1986年10月～1987年2月,在市内6所小学校中随机抽查1976年7月28日至1977年5月30日出生的儿童为地震组共206名,以同期外地出生后来唐山定居的儿童(主要为来唐山援建的郊区某建筑工程公司子弟学校学生)142名为对照组。两组母亲妊 In the early morning of July 28, 1976, there was a strong earthquake in Dian Shan. In order to study the long-term effects of maternal gestational disasters on offspring’s intellectual development during pregnancy, we randomly selected six primary schools in the city from July 1986 to February 1987 from July 1986 to May 1977 The number of children born on the 30th for the earthquake group totaled 206, with 142 children born in Tangshan, who were born outside China in the same period (mainly school children from a construction company in the suburbs built by Tangshan aid). Two groups of mothers pregnancy