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. 1978 Oct;89(2):372-8.
doi: 10.1530/acta.0.0890372.

Reduced post-natal rise of testosterone in plasma of cryptorchid infants

D Gendrel, J C Job, M Roger

Reduced post-natal rise of testosterone in plasma of cryptorchid infants

D Gendrel et al. Acta Endocrinol (Copenh). 1978 Oct.

Abstract

Plasma testosterone has been studied in 31 full-term male infants born with bilaterally undescended testes (14) or unilaterally undescended testis (17). From 10 to 89 days after birth, the post-natal testosterone rise was significantly lower in the 18 infants who remained cryptorchid at 4 months than in the 13 who underwent spontaneous testicular descensus and in the normal controls. Blunted post-natal Leydig cell secretion in cryptorchids may relate to a primary LH defect and could contribute to the impairment of both testicular descensus and maturation.

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