Mesterolone fertility

Dienogest was synthesized in 1979 in Jena , Germany under the leadership of Kurt Ponsold, was initially referred to as STS-557 . [30] [31] It was found that its potency was 10 times that of levonorgestrel . [32] The first product on the market to contain dienogest was a combined oral contraceptive pill (with ethinylestradiol), Valette, introduced in 1995 and made by Jenapharm . [33] In 2007, dienogest was introduced as Dinagest in Japan for the treatment of endometriosis, and it was subsequently marketed for this indication as Visanne in Europe and Australia in December 2009 and April 2010, respectively. [8] Qlaira was introduced in Europe in 2009 and Natazia was introduced in the United States in 2010. [34]

Other significant adverse effects of testosterone supplementation include acceleration of pre-existing prostate cancer growth in individuals who have undergone androgen deprivation; increased hematocrit , which can require venipuncture in order to treat; and, exacerbation of sleep apnea . [25] Adverse effects may also include minor side-effects such as acne and oily skin, as well as, significant hair loss and/or thinning of the hair, which may be prevented with 5-alpha reductase inhibitors ordinarily used for the treatment of benign prostatic hyperplasia , such as finasteride . [26] Exogenous testosterone may also cause suppression of spermatogenesis , leading to, in some cases, infertility. [27] It is recommended that physicians screen for prostate cancer with a digital rectal exam and prostate-specific antigen (PSA) level before starting therapy, and monitor PSA and hematocrit levels closely during therapy. [28]

Mesterolone fertility

mesterolone fertility


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