Abstract: 【Objective】 To fully understand the occurrence and growth of small for gestational age,(SGA) through the physical development research of the children in the whole district. 【Method】 SGA children collected in the paper through retrospective study and prevalence study. 【Result】 Among the 8 829 examples,SGA morbidity took up 4.67%,SGA of premature single birth took up 54%,premature twin birth took up 62%. 【Conclusion】 Mother's nutrition and antenatal care should be taken to reduce the occurrence of SGA and give more care for SGA postpartum nutrition.

Key words: small for gestational age, physical development, case analysis

摘要： 【目的】 通过对全区婴幼儿体格发育情况调查,了解小于胎龄儿(small for gestational,SGA)发生、发育情况。 【方法】 以回顾性调查及现况调查混合队列方式进行,收集情况记录在案。 【结果】 共调查8 829例,SGA发生率为4.67%,单胎早产SGA占54%,双胎早产SGA占62%。 【结论】 关注母亲营养,加强孕期保健,减少SGA的发生率,并关注SGA生后的营养干预。

关键词: 小于胎龄儿, 体格发育, 情况分析