72 citations
,
September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
April 2019 in “Journal of the Endocrine Society” Mosaic Klinefelter syndrome can affect male fertility and may be missed in routine tests.
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.
48 citations
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December 2019 in “Reproductive Biology and Endocrinology” More research is needed to confirm sperm DNA fragmentation as a reliable tool for diagnosing male infertility.
January 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” More research is needed to make sperm DNA fragmentation a reliable tool for diagnosing male infertility.
7 citations
,
April 2015 in “General and Comparative Endocrinology” Finasteride negatively affects fish reproduction and gonadal development.
2 citations
,
March 2016 in “The Journal of Urology” Male infertility often lacks thorough investigation, potentially missing reversible causes.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
6 citations
,
November 2018 in “Journal of molecular histology” Testosterone increases fluid secretion and aquaporin expression in the vas deferens, which is important for male fertility.
June 2014 in “The Journal of Urology”
2 citations
,
August 2021 in “The Journal of Urology” The procedure involving seminal vesiculoscopy, TURED, and balloon dilation effectively treated a man's hematospermia and improved his dysorgasmia.
2 citations
,
December 2016 in “Clinical and Experimental Obstetrics & Gynecology” Certain health factors can worsen fertility treatment results in women with PCOS.
5 citations
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December 2012 in “PubMed” Stopping the use of the drug finasteride can improve sperm count and does not prevent normal conception, but caution is advised when trying to conceive.
34 citations
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January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
6 citations
,
June 2014 in “PubMed” Combining TUSV with finasteride effectively treats recurrent hemospermia.
April 2026 in “The Journal of Urology” Finasteride 1 mg/day reduces semen quality without affecting hormones or sexual function.
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.
December 2023 in “Urogenital tract infection” Seminal bacteria can lower sperm quality in subfertile men.
26 citations
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July 2020 in “Fertility and Sterility” Male infertility and genitourinary birth defects are often linked to genetic issues.
6 citations
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April 2009 in “Fertility and Sterility” Finasteride helps induce ovulation in nonresponder PCOS women.
June 2009 in “Chin J Endocr Surg” Finasteride with antibiotics is more effective for treating hemospermia than antibiotics alone.
2 citations
,
November 2017 in “Gynecological Endocrinology” The enzyme myo-inositol oxygenase is not linked to the cause of polycystic ovarian syndrome.
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.
2 citations
,
January 2017 in “Iraqi journal of medical sciences” Obese women with PCOS have lower zinc levels than non-obese ones.
January 2011 in “Yearbook of Endocrinology” 23 citations
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March 1998 in “BMJ” Haemochromatosis can cause infertility by affecting hormone glands.
November 2025 in “Journal of Rangpur Medical College” Oligomenorrhea is the strongest predictor of PCOS severity.
7 citations
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January 2017 in “Indian Journal of Dermatology, Venereology and Leprology” 1 citations
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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.