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
,
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
,
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.
January 2024 in “Wiadomości Lekarskie” Male sperm disorders significantly contribute to infertility.
5 citations
,
June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
4 citations
,
January 2023 in “Andrology” The testes produce sperm and hormones essential for male development.
2 citations
,
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
,
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
,
October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
34 citations
,
January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
11 citations
,
March 2010 in “International Journal of Andrology” Finasteride 1-mg doesn't harm sperm or pregnancy chances.
2 citations
,
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.
January 1930 in “Experimental Biology and Medicine” High voltage cathode rays damage rat sperm-producing cells.
18 citations
,
May 2002 in “BJUI” Finasteride doesn't change rat testicle weight or sperm production.
17 citations
,
January 2013 in “Our Dermatology Online” Dutasteride mesotherapy helps treat male hair loss but may harm sperm and sexual function.
10 citations
,
September 2015 in “Folia Histochemica Et Cytobiologica” Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.
6 citations
,
April 2022 in “Biomedicines” COVID-19 may harm male fertility by affecting sperm production.
January 2026 in “Journal of Sexual and Mental Health” New male contraceptive pills show promise in reducing sperm production with mild side effects.
September 2008 in “Fertility and Sterility” Men and women in infertile couples feel using donor sperm may cause more stress and marital issues than using donor eggs.
49 citations
,
August 1996 in “The Journal of Clinical Endocrinology and Metabolism” The combination of cyproterone acetate and testosterone enanthate is highly effective in preventing sperm production and could be a good reversible male contraceptive.
October 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Neuronatin is found in various cells of rat tissues and has a unique location in sperm cells.
11 citations
,
September 2015 in “Theriogenology” Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.
4 citations
,
September 1977 in “Lipids” Gerbils on a fat-deficient diet had altered fatty acid levels, hair loss, reduced sperm, and lower body weight.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.