18 citations
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March 2015 in “Journal of Endocrinological Investigation” The research suggests that the ZP4 gene is linked to egg development in women with PCOS but requires more study to understand its role in infertility.
2 citations
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January 2015 in “Springer eBooks” Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.
January 2025 in “The World Journal of Men s Health” Intratesticular PRP injections are safe but not proven to improve sperm retrieval in certain infertile men.
January 2013 in “Reproductive Biology”
June 1998 in “Biomedicine & Pharmacotherapy” Medical treatments like chemotherapy and radiotherapy can harm sperm production, so freezing sperm before treatment is important for men who want children later.
6 citations
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November 2018 in “Journal of molecular histology” Testosterone increases fluid secretion and aquaporin expression in the vas deferens, which is important for male fertility.
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.
3 citations
,
February 2017 in “Archives of Medical Science” Finasteride treatment changes Cx43 in rat testes, possibly causing fertility issues.
15 citations
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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.
54 citations
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September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.
1 citations
,
May 2007 in “PubMed” Early diagnosis and treatment of haemochromatosis are crucial for reversing organ damage and improving fertility.
Long-term finasteride use may affect sperm structure and chromosomes.
40 citations
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January 1973 in “Journal of Dairy Science” Zinc deficiency in male goats leads to poor hair growth, smaller testicles, reduced libido, and is hard to reverse.
1 citations
,
November 2019 in “Trends in Urology & Men s Health” Haematospermia is usually harmless but needs careful checking to ease anxiety and find any serious causes.
January 2026 in “Frontiers in Pharmacology” Certain drugs can cause male infertility, so fertility counseling and sperm preservation are advised.
6 citations
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April 2022 in “Biomedicines” COVID-19 may harm male fertility by affecting sperm production.
2 citations
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March 2021 in “Reproduction” Finasteride may affect male fertility by interfering with specific sperm signaling.
September 2024 in “Reproduction and Fertility” New methods may speed up drug development for male subfertility.
5 citations
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June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
2 citations
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March 2017 in “Canadian Urological Association journal” Clomiphene citrate improves fertility in men taking finasteride for hair loss.
1 citations
,
September 2013 in “Fertility and Sterility” Finasteride discontinuation increases sperm count in men.
3 citations
,
February 2018 in “Human Reproduction” A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
36 citations
,
February 2011 in “Fertility and Sterility” Finasteride use may cause sperm damage and infertility, stopping it can improve sperm health.
2 citations
,
September 2007 in “Fertility and Sterility” Stopping Propecia may improve sperm count and fertility.
August 2025 in “Andrology” Abraham's family infertility may have a genetic explanation.
12 citations
,
June 2016 in “Reviews in Endocrine and Metabolic Disorders” Some skin diseases and their treatments can negatively affect male fertility.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
June 2014 in “The Journal of Urology” 70 citations
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March 1980 in “Journal of Nutrition” Zinc deficiency in monkeys causes skin issues and reproductive problems, but supplementation reverses these effects.
6 citations
,
June 2014 in “PubMed” Combining TUSV with finasteride effectively treats recurrent hemospermia.