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South African Medical Journal

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Prolactin, cortisol and thyroxine levels and the premature infant

N. J. Blumenthal, L. A. van der Walt, E. Gordon, O. Langer

Abstract


The relationship of prolactin, cortisol and thyroxine values in cord and maternal plasma to fetal age and weight and to the incidence of hyaline membrane disease (HMD) was investigated in 80 neonates of whom 40 were born at more than 37 weeks' gestation. Of the 40 born at less than 36 weeks 11 developed HMD. Serum cortisol has been shown to be a differentiating factor for HMD, but cord thyroxine and prolactin levels seem to be related more to age and weight than to the occurrence of HMD.




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