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. 1992 Mar;84(3):241–250.

Hormone pattern in pharmacologically feminized male transsexuals in the California State prison system.

L J Valenta 1, A N Elias 1, E S Domurat 1
PMCID: PMC2571763  PMID: 1578499

Abstract

The hormonal profile of 40 transsexual inmates from a pool of 86 inmates in the California State prison system was studied before and after therapy with feminizing hormones. Clinical and social data were obtained on all 86 inmates; the incidence of human immunodeficiency virus (HIV) seropositivity was examined in 76 of the 86 individuals. Despite similar degrees of feminization in all 40 individuals in whom hormonal studies were performed, variable suppression of serum testosterone concentrations was present. Based on their testosterone concentrations while on feminizing hormone therapy, the transsexual inmates could be divided into three groups. In Group I (the "suppressed" group), the serum testosterone concentrations were markedly depressed (less than 10 ng/dL); in Group II (the "non-suppressed" group), the values of testosterone were normal (446 to 1072 ng/dL); and in Group III (the "intermediate" group), the testosterone values were between those of the suppressed group and the nonsuppressed group. We speculate that feminizing hormone therapy may induce the development of a state of target hormone resistance to testosterone that results in similar degrees of feminization independent of the circulating concentrations of testosterone. The incidence of HIV seropositivity (3/76) was considerably less than anticipated based on previous studies in populations at high risk for developing the acquired immunodeficiency syndrome.

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Selected References

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