It concludes the low blood Zn level and high level in perinatal period neonate have important effect on their growth and development.

• 早产并小于胎龄儿在缺锌、铅状态下死亡率最高(小于胎龄儿50%25)提示缺锌、铅高状态对围产儿发育有重要影响,必须加强围产儿保健,及时诊治微量元素失衡。