Objective To explore the relationship between birth weight and maternal and fetal serum levels of insulin like growth factor 1 (IGF 1),C peptide (CP) and insulin like growth factor binding protein 1 (IGFBP 1).

• 目的 探讨母体和脐血血清胰岛素样生长因子 1(IGF 1)、C肽 (CP)及胰岛素样生长因子结合蛋白 1(IGFBP 1)质量浓度对新生儿出生体重的影响。