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  • Title: [Correlation of intrauterine growth retardation with endocrine parameters].
    Author: Wu L, Liu B, Yu S.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 2000 Jan; 35(1):26-8. PubMed ID: 11831945.
    Abstract:
    OBJECTIVE: To investigate the relationship between intrauterine growth retardation (IUGR)and endocrine parameters and to assess the effects of the main endocrine factors on IUGR. METHODS: The concentrations of growth hormone (GH), insulin, triiodothyronine (T(3)), tetraiodothyronine (T(4)), and thyroid-stimulating hormone (TSH) were measured in maternal serum, umbilical blood and amniotic fluid. The samples were collected from 23 term pregnancies with IUGR, and 42 normal pregnancies served as control. Growth hormone and insulin were measured by radioimmunoassay, and T(3), T(4) and TSH by microradioimmunoassay. RESULTS: The concentrations of GH, insulin and T(4) in umbilical blood were lower in IUGR group than that in the normal group (IUGR: GH 4.63 microg/L vs 7.01 microg/L, insulin 10.68 mIU/L vs 31.44 mIU/L, T(4) 0.68 mg/L vs 1.07 mg/L. P < 0.05, 0.05, 0.05), the TSH level in umbilical blood was higher in IUGR than that in the control group (10.84 mIU/L vs 5.74 mIU/L. P < 0.01). The concentration of GH in maternal serum and insulin in amniotic fluid in IUGR group were also lower than that in normal group (GH 1.77 microg/L vs 2.74 microg/L, P < 0.01; insulin 5.84 mIU/L vs 15.64 mIU/L, P < 0.01). CONCLUSIONS: This study confirms previous observation that insufficiency of GH might be a pathogenesis of IUGR. The decrease of GH and insulin might compromise the basic metabolism of the fetus. Besides, the change of early hypothyrosis of fetus with IUGR might benefit them to live in unfavorable environment.
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