January 2018 in “Elsevier eBooks” 5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
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.
1 citations
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September 2020 in “Leonardo” The exhibition made people think about ethics and society in relation to biotech advances.
January 2024 in “Wiadomości Lekarskie” Male sperm disorders significantly contribute to infertility.
5 citations
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June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
4 citations
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January 2023 in “Andrology” The testes produce sperm and hormones essential for male development.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
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.
11 citations
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March 2010 in “International Journal of Andrology” Finasteride 1-mg doesn't harm sperm or pregnancy chances.
Long-term finasteride use may affect sperm structure and chromosomes.
18 citations
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May 2002 in “BJUI” Finasteride doesn't change rat testicle weight or sperm production.
10 citations
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September 2015 in “Folia Histochemica Et Cytobiologica” Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.
6 citations
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April 2022 in “Biomedicines” COVID-19 may harm male fertility by affecting sperm production.
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.
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
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September 2015 in “Theriogenology” Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.
3 citations
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February 2018 in “Human Reproduction” A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
4 citations
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September 1977 in “Lipids” Gerbils on a fat-deficient diet had altered fatty acid levels, hair loss, reduced sperm, and lower body weight.
March 2014 in “Fertility and Sterility” The April 2014 issue of "Fertility and Sterility" discussed various reproductive health topics, including hormone therapy benefits, sperm and genetic factors in male infertility, and the link between PCOS and diabetes.
August 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Finasteride, at doses of 5mg or higher, may negatively affect male fertility by reducing the expression of certain genes involved in sperm production.
3 citations
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June 2025 in “Gyemyeong uidae haksulji” PDRN is effective and safe for healing wounds and skin issues.
June 2025 in “Aesthetic Cosmetology and Medicine” Polydeoxyribonucleotides may help with healing and anti-aging, but more research is needed.
February 2025 in “Intisari Sains Medis” PDRN from salmon may slow skin aging by improving skin quality and reducing inflammation.
80 citations
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April 2017 in “Frontiers in Pharmacology” PDRN helps repair tissue and improve wound healing with a high safety profile.
48 citations
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February 2006 in “Molecular and Cellular Endocrinology” 5α-reductase inhibitors may reduce male fertility and could be used for male contraception.
23 citations
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October 2015 in “Andrology” New male hormonal contraceptives show promise but need more research on long-term effects and funding for larger trials.
April 2026 in “The Journal of Urology” Finasteride and dutasteride reduce semen quality, with dutasteride having a stronger negative effect.
67 citations
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May 2018 in “Journal of Ginseng Research” Red ginseng may improve immunity, fatigue, memory, blood circulation, and menopausal symptoms, and is generally safe to consume.