[美联社宾夕法尼亚州1981年4月16日电] 一位医学研究人员说,分析数千次妊娠表明妊娠期母亲患严重贫血或大量吸烟所生的小儿,有摇篮死亡的较多危险性。此理论是宾尼法尼亚州立大学医学院医学中心病理科主任内伊(Richard Naeye)提出的。内伊说,上项研究是根据对60,000次妊娠经过6年研究得出的。他说:“通过统计学 [AP, Pennsylvania, April 16, 1981] A medical researcher said that analyzing thousands of pregnancies shows that children born to pregnant mothers with severe anemia or heavy smoking during pregnancy have more risk of death from cradle. The theory is presented by Richard Naeye, director of the department of pathology at Penn State University Medical Center Medical Center. Nei said the study was based on six years of 60,000 pregnancies. He said: "Through statistics