April 2017 in “Reactions Weekly” Finasteride may cause weak ejaculation and reduced semen volume.
2 citations
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October 1999 in “The Journal of Urology”
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.
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
23 citations
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March 1998 in “BMJ” Haemochromatosis can cause infertility by affecting hormone glands.
1 citations
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February 2022 in “Online journal of biological sciences” The document does not determine if adults with aphallia are fertile.
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A small BOTOX dose improved sperm production and movement in older mice.
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.
September 2024 in “Reproduction and Fertility” New methods may speed up drug development for male subfertility.
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.
4 citations
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October 2023 in “Fertility and Sterility” Some medications and supplements can affect male fertility, with some improving and others harming sperm quality.
February 2026 in “European Urology”
12 citations
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June 2016 in “Reviews in Endocrine and Metabolic Disorders” Some skin diseases and their treatments can negatively affect male fertility.
January 2013 in “Reproductive Biology” April 2026 in “The Journal of Urology” Finasteride and dutasteride reduce semen quality, with dutasteride having a stronger negative effect.
77 citations
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June 2015 in “Nature Reviews Urology” Some common medications can harm male fertility, but many effects can be reversed.
2 citations
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March 2017 in “Canadian Urological Association journal” Clomiphene citrate improves fertility in men taking finasteride for hair loss.
June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
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
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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.
April 2025 in “The Egyptian Journal of Hospital Medicine” Expanding premarital screening to include skin conditions, STDs, infertility, and male disorders can improve marriage stability.
15 citations
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March 2015 in “PloS one” Scientists restored fertility in male mice lacking a key fertility gene by using a modified gene.
27 citations
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April 2011 in “Folia Histochemica et Cytobiologica” DHT deficiency can disrupt cell connections in rat testes, possibly affecting fertility.
36 citations
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February 2011 in “Fertility and Sterility” Finasteride use may cause sperm damage and infertility, stopping it can improve sperm health.
2 citations
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March 2022 in “Laboratory Animal Research” A mild botulinum toxin injection improved sperm production and movement in aging mice.
1 citations
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January 2022 in “IntechOpen eBooks” Different PCOS types respond uniquely to infertility treatments, with some having lower pregnancy rates and higher risks of complications.
April 2021 in “Animal Bioscience” 5-Aminolevulinic acid can help chicken sperm move better at the right amount.
1 citations
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August 2025 in “Daehan saengsik uihak hoeji/Clinical and experimental reproductive medicine” BMI should be considered in future research on dutasteride's effects on fertility.
August 2025 in “Andrology” Abraham's family infertility may have a genetic explanation.
2 citations
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September 2008 in “Fertility and Sterility” Adult offspring of sperm donation generally feel positive about their conception and view the donor as their biological father.