October 2010 in “Journal of Men's Health” Larger prostate size in older men may be linked to poorer semen quality and fertility issues.
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.
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.
68 citations,
February 2019 in “Urology” Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
April 2017 in “Reactions Weekly” Finasteride may cause weak ejaculation and reduced semen volume.
February 2024 in “The Journal of Sexual Medicine” 5-α reductase inhibitors do not significantly affect male reproductive function but may reduce semen volume.
2 citations,
October 2000 in “The Journal of Urology” Finasteride daily doesn't affect sperm production or semen in young men.
38 citations,
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.
February 2013 in “Journal of The American Academy of Dermatology” Using hair loss drugs finasteride and dutasteride may cause sexual side effects.
October 2023 in “Toxicology and Applied Pharmacology” Finasteride is more harmful to male reproductive health than minoxidil.
June 2018 in “The Journal of Sexual Medicine” Finasteride does not negatively affect male reproductive function.
March 2024 in “The journal of sexual medicine” The therapies improved ejaculation disorders and sexual function in middle-aged men.
March 2013 in “Reactions Weekly” A man's fertility improved after he stopped taking finasteride but worsened again when he restarted the medication.
1 citations,
May 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.
54 citations,
September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.
15 citations,
September 2014 in “JAMA Dermatology” 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.
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.
January 2019 in “Indian Journal of Dermatology, Venereology and Leprology” 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.
14 citations,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
18 citations,
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,
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.
13 citations,
January 2019 in “Endocrine journal” Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
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.
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.
13 citations,
June 2018 in “Current Urology Reports” Hair loss drugs may cause sexual issues and infertility in men.
45 citations,
January 2008 in “Drugs” Dutasteride effectively treats enlarged prostate, reduces prostate cancer risk, and promotes hair regrowth with few side effects.