68 citations
,
February 2019 in “Urology” Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.
54 citations
,
September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.
March 2025 in “Daehan saengsik uihak hoeji/Clinical and experimental reproductive medicine” Long-term use of dutasteride for hair loss may harm semen quality.
1 citations
,
August 2013 in “Fertility and Sterility” Finasteride may improve sperm count in subfertile men with low sperm count.
15 citations
,
September 2014 in “JAMA Dermatology” February 2026 in “European Urology” January 2008 in “Yearbook of Endocrinology” Dutasteride and finasteride can change semen and hormone levels in men.
June 2014 in “The Journal of Urology”
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.
77 citations
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June 2015 in “Nature Reviews Urology” Some common medications can harm male fertility, but many effects can be reversed.
49 citations
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December 2007 in “Fertility and Sterility” Stopping finasteride improved sperm counts in two men, reducing the need for fertility treatments.
47 citations
,
January 2021 in “Fertility and Sterility” COVID-19 might affect male fertility, but more research is needed to understand the full impact.
18 citations
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October 2018 in “Journal of The American Academy of Dermatology” Some skin medications can harm male fertility, but they don't seem to cause birth defects from father's exposure.
15 citations
,
October 2012 in “International Urology and Nephrology” Low-dose finasteride may cause fertility issues, but stopping it can improve sperm quality and lead to pregnancy.
11 citations
,
March 2010 in “International Journal of Andrology” Finasteride 1-mg doesn't harm sperm or pregnancy chances.
8 citations
,
January 2017 in “Fertility and Sterility” Urologic diseases and treatments in older men can negatively affect fertility, and doctors should talk to patients about this.
June 2018 in “The Journal of Sexual Medicine” Finasteride does not negatively affect male reproductive function.
4 citations
,
July 2005 in “International Journal of Dermatology” Hair loss seen as natural; short haircuts help cope.
21 citations
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December 2015 in “Development Growth & Differentiation” DHT is crucial for urethral formation, and its disruption can affect masculinization and lead to hypospadias.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
Finasteride improves hair but may reduce sperm quality at higher doses.
May 2025 in “Veterinary Medicine and Science” Melatonin improved reproductive function in male Pomeranian dogs with Alopecia X, but more research is needed.
December 2023 in “Palestinian medical and pharmaceutical journal/Palestinian medical & pharmaceutical journal” Increasing sleep by 41 minutes daily for a month showed no significant changes in metabolism or hormone levels in healthy women.
IL6 is linked to higher risk of heart disease in people with a certain mouth condition.
January 2005 in “Elektronische Hochschulschriften der LMU München (Ludwig-Maximilians-Universität München)” Topical immunotherapy with DPCP is most effective for certain alopecia areata types, with success linked to age and disease duration, and influenced by a gene polymorphism.
38 citations
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December 2010 in “Fertility and Sterility” Finasteride may cause male infertility, stopping it can help.
2 citations
,
January 2011 in “Yearbook of Urology” Stopping finasteride can improve sperm count in infertile men.
1 citations
,
August 2025 in “Daehan saengsik uihak hoeji/Clinical and experimental reproductive medicine” BMI should be considered in future research on dutasteride's effects on fertility.
1 citations
,
January 2011 in “Journal of Human Reproductive Sciences” Finasteride may decrease semen quality but not harm sperm production, and stopping the drug can improve semen quality; hyperprolactinemia can cause infertility but is treatable with medication.
February 2024 in “The Journal of Sexual Medicine” 5-α reductase inhibitors do not significantly affect male reproductive function but may reduce semen volume.