54 citations
,
September 2013 in “Fertility and Sterility” This study found that discontinuing finasteride led to a significant increase in sperm counts for most men with reduced fertility, though hormone levels and other semen parameters remained unchanged.
3 citations
,
February 2025 in “Journal of the American Academy of Dermatology” This study highlights how sex steroids affect hair growth, reporting that testosterone used in masculinizing hormone therapy can lead to androgenetic alopecia in transgender individuals, while feminizing hormone therapy with estradiol and antiandrogens can reduce hirsutism.
January 2008 in “Yearbook of Endocrinology” Dutasteride and finasteride can change semen and hormone levels in men.
195 citations
,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” In this study, administering 5alpha-reductase inhibitors reduced dihydrotestosterone levels and was associated with mild, reversible decreases in semen parameters in healthy men.
January 2025 in “HORMONES” This systematic review reported positive outcomes with gender-affirming hormone therapy in Canada and emphasized the urgent need for standardized outcome measurement tools to enhance evidence-based practices.