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本文对包头市5所较大型医院1980年1月～1989年12月出生的28454名婴儿的出生资料进行了回顾调查分析。发现各类缺陷24种,143例,总发病率为5.03‰,以神经系统、面部和四肢等系统的缺陷发生率为高。死胎、死产的出生缺陷率明显高于活产(P<0.01);3胎以上者出生缺陷率较高;产妇年龄在30岁以上者缺陷率显著高于低年产妇的婴儿(P<0.01),第一季度缺陷发生率明显高于其它季度(P<0.01)。
This article retrospectively investigated the birth data of 28 454 infants born from January 1980 to December 1989 in five large hospitals in Baotou City. 24 kinds of defects were found, 143 cases, the overall incidence was 5.03 ‰, to the nervous system, facial and limbs and other systems of high incidence of defects. The birth defects rate of stillbirths and stillbirths was significantly higher than that of live births (P <0.01). The birth defects rate was higher in those with more than three births. The incidence of birth defects was significantly higher in infants older than 30 years (P <0.01) ), The incidence of defects in the first quarter was significantly higher than the other quarters (P <0.01).