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【目的】 探讨低出生体重儿体重、身高增长的速度及差异，了解干预效果。【方法】 对１０１ 例低出生体重儿从出生随访至３６ 个月，采用ＮＣＨＳ 标准（ Ｗ ＨＯ） ，用Ｚ 评分方法进行评价和综合干预，与１９ 例未经干预的低出生体重儿进行比较。【结果】 １０１ 例低出生体重儿出生体重ＳＤＳ 值＜ － ２ ｓ 的比例随着年龄的增长逐渐降低，到３６ 个月９８ ％ 达正常范围且ＳＤＳ 值明显优于对照组。早产适于胎龄儿和小于胎龄儿追赶性生长的速度和持续时间明显不同。早产适于胎龄儿追赶生长在生后１２ 个月内，高峰时间是生后８ 个月，出生５ 月后ＳＤＳ 值接近中位数。小于胎龄儿追赶生长在３ 个月内，ＳＤＳ 值低于中位数。【结论】 良好的保健干预措施，能挖掘低出生体重儿的生长潜力，使其大多数体重增长恢复至正常范围。
【Objective】 To investigate the speed and difference of body weight and height growth of low birth weight children and to understand the effect of intervention. 【Methods】 A total of 101 low birth weight infants were followed up from birth to 36 months. The NCHS criteria (W HO) were used to evaluate and comprehensive intervention with Z score, compared with 19 non - intervention low birth weight infants. 【Results】 The results showed that the SDS value of birth weight in 101 cases of low birth weight babies decreased gradually with age, reaching 98% at 36 months and the SDS value was significantly better than that of the control group. The pace and duration of maternal growth for preterm births that are suitable for gestational age and those younger than gestational age are significantly different. Premature delivery for gestational age children catch up with growth within 12 months after birth, the peak time is 8 months after birth, birth in May SDS value near the median. Less than gestational age catch-up growth in 3 months, SDS value below the median. [Conclusions] Good health care interventions can tap the growth potential of low birth weight infants and restore most of their weight gain to their normal range.