5 citations
,
September 2024 in “Stem Cell Research & Therapy” Sertoli cell transplants can reduce inflammation and improve sperm quality.
15 citations
,
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.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
April 2026 in “The Journal of Urology” Finasteride 1 mg/day reduces semen quality without affecting hormones or sexual function.
Finasteride improves hair but may reduce sperm quality at higher doses.
68 citations
,
February 2019 in “Urology” Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.
23 citations
,
January 2007 in “Archives of Andrology” Finasteride may negatively affect male fertility.
1 citations
,
September 2023 in “Journal of Education Health and Sport” Anabolic-androgenic steroids are dangerous and educating people about their risks is essential.
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
104 citations
,
October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
April 2026 in “The Journal of Urology” Finasteride and dutasteride reduce semen quality, with dutasteride having a stronger negative effect.
April 2026 in “International Journal of Impotence Research” Anabolic steroid abuse can cause sexual, fertility, and health problems.
October 2010 in “Journal of Men's Health” Larger prostate size in older men may be linked to poorer semen quality and fertility issues.
1 citations
,
May 2023 in “Fertility and sterility” Men who went through puberty later had lower sperm counts and altered hormone levels, possibly affecting fertility.
February 2025 in “Intisari Sains Medis” PDRN from salmon may slow skin aging by improving skin quality and reducing inflammation.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
3 citations
,
January 1993 in “Toxicological Sciences” 2-Ethylhexanoic acid harms fertility and delays development in rats.
February 2026 in “Molecular Imaging and Radionuclide Therapy” High-dose radioactive iodine therapy does not harm fertility in thyroidectomy patients.
October 2010 in “Journal of Men's Health” The conclusion is that doctors should be careful when prescribing 5α-reductase inhibitors due to possible serious side effects, and they should discuss these risks with patients.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
16 citations
,
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.
18 citations
,
July 2020 in “Basic and Clinical Andrology” Wait 3 months after COVID-19 before trying assisted reproduction and further research is needed on COVID-19's effects on male hormones and fertility.
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.
47 citations
,
January 2021 in “Fertility and Sterility” COVID-19 might affect male fertility, but more research is needed to understand the full impact.
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.
December 2023 in “Urogenital tract infection” Seminal bacteria can lower sperm quality in subfertile men.
April 2026 in “Research Square” COVID-19 can harm male fertility by reducing sperm stem cells and damaging testicular function.
October 2017 in “Springer eBooks” A thorough initial check-up is essential before sperm banking to ensure the best chance of preserving good quality sperm.
14 citations
,
April 2022 in “Climacteric” Menopause causes dry skin, wrinkles, and hair changes, with hormone therapy helping but not recommended just for these issues.
54 citations
,
September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.