Abstract
To investigate the relationship between levels of insulin-like growth factors 1 and 2 (IGF-1, IGF-2), and insulin-like growth factor binding protein 3 (IGFBP-3) in antenatal maternal serum and in fetal cord blood at delivery. Prospective cohort study of 1650 low-risk Caucasian women in a University teaching hospital in London. Statistical analysis was performed using commercial software (SPSS for Windows, version 6.1, SPSS, Chicago, Illinois, USA), with p<0.05 as significant. Maternal IGF 1, IGF 2 and IGF BP-3 were assessed on maternal blood at booking and in fetal blood by cord blood analysis at delivery. Cord pH was also recorded. There was no significant correlation between maternal IGF-1, IGF-2, or IGFBP-3 levels and fetal acidosis. However, a significant correlation does exist between cord IGF-1 levels and fetal acidosis. Fetal cord IGF-1 has a significant correlation with fetal acidosis at delivery.
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