Circulating levels of IGFs and IGF binding proteins in human cord serum: relationships to intrauterine growth.

Abstract

Cord sera were obtained from 44 term, human infants exhibiting various patterns of intrauterine growth and were assayed for IGF-1, IGF-2, and IGFBP-1, 2, and 3 by specific RIAs. Serum levels were correlated with birth weight (BW), ponderal index (PI), and placental weight (PW). Total IGF-1 levels correlated significantly with BW (r = 0.392), PW (r = 0.351… (More)

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