在过去10年中,对婴儿猝死综合征(Sudden infant death syndrome SIDS)原因的解释提出了许多新理论.这些理论大致可以分为四个方面:一、对以往健康婴儿的一种剧烈应激反应;二、出生时的功能或形态缺陷;三、发育异常;四、婴儿在发育关键阶段特别易受打击.一、剧烈的应激反应 In the past 10 years, many new theories have been proposed to explain the causes of Sudden infant death syndrome (SIDS). These theories can be roughly divided into four aspects: First, a violent stress response to the past healthy infants ; Second, the birth of the function or shape defects; Third, the developmental abnormalities; Fourth, the baby during critical stages of development are particularly vulnerable to blow .A severe stress response