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
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May 2023 in “Fertility and sterility” Men who went through puberty later had lower sperm counts and altered hormone levels, possibly affecting fertility.
68 citations
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February 2019 in “Urology” Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.
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.
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.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
Finasteride improves hair but may reduce sperm quality at higher doses.
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.
February 2013 in “Journal of The American Academy of Dermatology” Using hair loss drugs finasteride and dutasteride may cause sexual side effects.
125 citations
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January 1999 in “Drugs” Finasteride effectively treats baldness but may cause sexual side effects.
October 2023 in “Toxicology and Applied Pharmacology” Finasteride is more harmful to male reproductive health than minoxidil.
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.
October 2025 in “International Journal of Cosmetic Science” Shiny, straight hair is seen as more youthful, healthy, and attractive.
April 2026 in “The Journal of Urology” Finasteride and dutasteride reduce semen quality, with dutasteride having a stronger negative effect.
June 2026 in “British Journal of Dermatology” Finasteride mildly affects semen but is reversible; dutasteride has stronger effects with incomplete recovery.
June 2022 in “Frontiers in Genetics” Machine learning is effective in predicting gene functions and their relationships with diseases.
September 2011 in “Urology” The IPP index is linked to storage symptoms and leftover urine, and may help manage urinary tract symptoms.
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.
405 citations
,
January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
April 2017 in “Reactions Weekly” Finasteride may cause weak ejaculation and reduced semen volume.
June 2018 in “The Journal of Sexual Medicine” Finasteride does not negatively affect male reproductive function.
11 citations
,
November 2015 in “Skin Research and Technology” Women's hair grows faster and thicker than men's, but hair growth slows for both genders with pattern hair loss.
March 2012 in “Journal of the American Academy of Dermatology” Treating ovarian-related inflammation may help hair regrowth in women with alopecia areata.
January 2022 in “Cosmoderma” Using oral minoxidil and dutasteride together can quickly increase hair growth and volume with minimal side effects.
28 citations
,
January 2007 in “Dermatology” Chemotherapy can cause rapid, extensive hair loss, with patterns varying between individuals.
February 2024 in “The Journal of Sexual Medicine” 5-α reductase inhibitors do not significantly affect male reproductive function but may reduce semen volume.
1 citations
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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.
May 2014 in “Annals of Plastic Surgery” The book is highly praised as an essential resource for plastic surgeons, despite minor gaps.