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Human Reproduction, Vol. 8, No. 1, pp. 74-77, 1993
© 1993 European Society of Human Reproduction and Embryology

other

Increased oestradiol level in seminal plasma in infertile men

Louis Bujan, Roger Mieusset, Françoise Audran1,2, Serge Lumbroso1,2 and Charles Sultan1,2,3

Centre de Stérilité Masculine et Laboratoire de Biologie de la Reproduction, Hôpital La Grave 31052 Toulouse Cedex 1Unité de Biochimie Endocrinienne du Développement et de la Reproduction, CHU Lapeyronie, 34059 Montpellier Cedex 34100 Montpellier Cedex, France 2Institut National de la Santé et de la Recherche Médicale, INSERM U58, 60 route de Navacelles 34100 Montpellier Cedex, France

Correspondence: 3To whom correspondence should be addressed at: Unité de Biochimie Endocrinienne du Développement et de la Reproduction, Hôpital Lapeyronie, 34059 Montpellier Cedex, France

Seminal hormonal patterns in fertile and infertile men were investigated. Follicle-stimulating hormone (FSH), luteinizing hormone (LH), prolactin, testosterone and oestradiol were assessed by radioimmunoassay, and dehydroepiandrosterone sulphate (DHAS) by bioluminescence assay, on blood and seminal plasma of 23 fertile men and 83 infertile men. For fertile men, mean FSH, LH, testosterone and DHAS concentrations were lower and mean oestradiol was higher in seminal than in blood plasma; prolactin did not differ. For infertile men, mean seminal FSH and LH showed a moderate but significant increase compared with fertile men; testosterone, DHAS and prolactin did not differ but mean seminal oestradiol was significantly increased. Of the infertile men, 53% had seminal oestradiol concentration above the 90th percentile value for fertile men. The meaning of this seminal oestradiol increase is unclear since it is not known whether it is the cause or the consequence of the alteration of spermatogenesis in infertile men. Further studies are required to explore the possible therapeutic implications.

Key words: infertile men/plasma/semen/seminal oestradiol


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