16 citations
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January 2017 in “Asian journal of andrology/Asian Journal of Andrology” Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
June 2026 in “The Journal of Sexual Medicine” Finasteride 1 mg reduces semen quality without affecting hormones.
68 citations
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February 2019 in “Urology” Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.
15 citations
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January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
April 2026 in “The Journal of Urology” Finasteride 1 mg/day reduces semen quality without affecting hormones or sexual function.