Finasteride improves hair but may reduce sperm quality at higher doses.
January 2025 in “Expert Opinion on Pharmacotherapy” Dutasteride is more effective than finasteride for hair loss but may affect male fertility and should be used cautiously.
November 2024 in “Asian Journal of Biological Sciences” High consumption of avocado leaves harms male fertility.
January 2024 in “Al-Ameed journal for medical research and health sciences” Testosterone is vital for male health, and its deficiency is linked to aging and common health issues.
July 2023 in “The journal of sexual medicine” Anabolic-androgenic steroids harm male hormone levels, sperm, metabolism, and can cause acne, hair loss, and breast growth.
May 2022 in “Research Square (Research Square)” Melatonin improved sheep reproduction, being more beneficial and cost-effective in males.
June 2018 in “The Journal of Sexual Medicine” Finasteride does not negatively affect male reproductive function.
January 2018 in “Elsevier eBooks” 5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.
October 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” DA-9401 can protect against finasteride-induced reproductive damage in rats.
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
April 2011 in “The FASEB Journal” Amlodipine impairs fertility in male rats by affecting sperm and testicular structure.
June 1998 in “Biomedicine & Pharmacotherapy” Medical treatments like chemotherapy and radiotherapy can harm sperm production, so freezing sperm before treatment is important for men who want children later.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
June 2020 in “Mağallaẗ al-anbār li-l-ʻulūm al-bayṭariyyaẗ” Finasteride reduces fertility in male rats.
January 2018 in “日本薬理学会年会要旨集 =” Stopping finasteride improves sperm quality but not semen volume in young men.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
April 2024 in “JCEM case reports” A man's breast enlargement from low-dose finasteride for hair loss didn't go away, even with treatment, and might be more common than reported.
5 citations
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August 1987 in “Andrology” Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
1 citations
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January 2002 in “Yaoxue jinzhan” Finasteride reduces sperm count and affects male reproductive function, while Epristeride does not.
September 2008 in “Fertility and Sterility” Greater intimacy leads to better self-reported health in couples having infertility treatment.
5 citations
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June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
4 citations
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January 2023 in “Andrology” The testes produce sperm and hormones essential for male development.
2 citations
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January 2014 in “Elsevier eBooks” The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
195 citations
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February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
104 citations
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October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
34 citations
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January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
11 citations
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March 2010 in “International Journal of Andrology” Finasteride 1-mg doesn't harm sperm or pregnancy chances.
2 citations
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October 2000 in “The Journal of Urology” Finasteride daily doesn't affect sperm production or semen in young men.
Long-term finasteride use may affect sperm structure and chromosomes.