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Maternal serum total IGF-I level (A), IGF-I:IGFBP-3 ratio (B), cortisol level (C), and growth hormone (GH) level (D). Data are presented for the control group (○, n = 5) and the betamethasone group (●, n = 6) at 113, 127, 162, and 175 days of gestation (dG) (mean ± SE).
