Comparison between testosterone enanthate-induced azoospermia and oligozoospermia in a male contraceptive study. III. Higher 5 alpha-reductase activity in oligozoospermic men administered supraphysiological doses of testosterone.
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چکیده
منابع مشابه
a comparative study of the relationship between self-, peer-, and teacher-assessments in productive skills
تمایل به ارزیابی جایگزین و تعویض آن با آزمون سنتی مداد و کاغذ در سالهای اخیر افزایش یافته است. اکثر زبان آموزان در کلاس های زبان از نمره نهایی که استاد تعیین میکند ناراضی اند. این تحقیق جهت بررسی ارزیابی در کلاس های زبان انگلیسی به هدف رضایتمندی زبان آموزان از نمره هایشان انجام گرفته است که در آن نمرات ارائه شده توسط سه گروه ارزیاب (ارزیابی خود دانشجو، همسالان واستاد) در مهارت های تولید (تکل...
15 صفحه اولComparison of long-acting testosterone undecanoate formulation versus testosterone enanthate on sexual function and mood in hypogonadal men.
OBJECTIVE To compare the effects of two treatment modalities of testosterone on sexual functioning and mood. Design Forty men were randomized to receive either parenteral testosterone enanthate (TE) or long-acting parenteral testosterone undecanoate (TU) over a period of 30 weeks. Thereafter, 20 men who had received TU and 16 men who had received TE continued with TU and completed another 65 we...
متن کاملSupraphysiological testosterone enanthate administration prevents bone loss and augments bone strength in gonadectomized male and female rats.
High-dose testosterone enanthate (TE) may prevent hypogonadism-induced osteopenia. For this study, 3-mo-old male and female Fisher SAS rats underwent sham surgery, gonadectomy (GX), or GX plus 28 days TE administration (7.0 mg/wk). GX reduced serum sex hormones (i.e., testosterone, dihydrotestosterone, and estradiol) (P < 0.05) in both sexes and bone concentrations of testosterone (males only),...
متن کاملThe Effects of Testosterone Treatment on Structure of Mouse Testes
Purpose: There is a great need for a safe male contraceptive method, which can provide an alternative to the female contraceptive. Efforts to develop new method for men have been made during recent decads, but the most reliable method is still sterlization by vasectomy. The ue of GnRH antagonist for fertility regulation requites androgen supplementation to offset the decrease in serum testoster...
متن کاملSuppression of human spermatogenesis by testosterone implants.
Hormonally induced azoospermia is an effective, reversible form of male contraception; however, some men treated with weekly im testosterone enanthate (TE) injections fail to become azoospermic. As weekly injections cause widely fluctuating and supraphysiological testosterone levels, we tested the hypothesis that more stable, physiological testosterone levels would consistently produce azoosper...
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ژورنال
عنوان ژورنال: The Journal of Clinical Endocrinology & Metabolism
سال: 1996
ISSN: 0021-972X,1945-7197
DOI: 10.1210/jcem.81.3.8772548