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  • Title: [Insulin-like growth factor-I(IGF-I), and its binding protein-3 (IGFBP-3) correlated with fetal development].
    Author: Qian M, Fan Q, Bian X, Zhu L, Lang J.
    Journal: Zhongguo Yi Xue Ke Xue Yuan Xue Bao; 2000 Oct; 22(5):476-8. PubMed ID: 12903433.
    Abstract:
    OBJECTIVE: To study the relations between IGF-I, IGFBP-3 and human fetal growth. METHODS: The blood samples of maternal serum (MS) and umbilical cord serum (UCS) from 81 cases with singleton term pregnancy including 38 cases of normal pregnancy (NP), 20 cases of gestational diabetic mellitus (GDM), 23 cases of macrosomia of non-diabetic pregnancy (MNDP) were examined for IGF-I and IGFBP-3 levels by immunoassay kit from DSL, USA. RESULTS: IGF-I in MS of NP and MNDP showed a positive correlation with birth weight (BW) (r = 0.653 and r = 0.640 respectively, both P < 0.01). IGF-I of MS in MNDP was higher than that in NP (P < 0.05). IGF-I of MS and UCS in GDM were higher than that in NP (P < 0.05). IGF-I and IGFBP-3 of UCS in these three groups were significantly lower than that of MS (P < 0.001). CONCLUSION: Detection of IGF-I in MS can assess fetal intra-uterus growth, birth weight and has certain value of predicting macrosomia. IGF-I and IGFBP-3 play important roles for human fetal growth.
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