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noresthisterone pregnancy

Eberhard Nieschlag, Michael Zitzmann, Axel Kamischke
Hormonal male contraception aims at suppression of spermatogenesis to azoospermia or at least to severe oligoasthenozoospermia, incompatible with the ability to induce a pregnancy. The general principle of this approach is based on interference with the endocrine regulation of spermatogenesis, i.e. the suppression of gonadotropins. Since both FSH (through the Sertoli cell) and LH (through the Leydig cell and testosterone (T)) are required for normal spermatogenesis, both gonadotropins need to be suppressed as strongly as possible...
November 2003: Steroids
M Pugeat, H Lejeune, B Mazenod, H Dechaud, M C Fleury, J Tourniaire
Sex steroid binding protein (SBP) and transcortin (CBG) plasma concentrations were measured in 15 postmenopausal women before and during oral administration of estradiol 2 mg plus estriol 1 mg given alone for one month and in sequential combination with noresthisterone 1 mg for the following months. The results were compared with those obtained in a group of 13 premenopausal women who were studied during the early follicular phase or during administration of estroprogestagens. The oral administration of estrogens slightly increased CBG levels (56...
June 11, 1988: La Presse M├ędicale
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