February 2026 in “Frontiers in Microbiology” Skin bacteria help heal wounds and restore healthy skin.
72 citations
,
September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
36 citations
,
February 2011 in “Fertility and Sterility” Finasteride use may cause sperm damage and infertility, stopping it can improve sperm health.
35 citations
,
October 2004 in “Biology of Reproduction” PNU157706 reduced rat sperm movement and fertility without affecting offspring health.
26 citations
,
October 2014 in “Andrologia” Infertile men are more likely to produce sperm with abnormal chromosome numbers, which can affect pregnancy success and embryo health.
4 citations
,
September 2020 in “Andrologia” Oregano extract helps fix testis and sperm damage caused by finasteride.
3 citations
,
July 2024 in “Urology Annals” Younger Klinefelter Syndrome patients have a better chance of successful sperm extraction.
1 citations
,
January 2020 in “Recent Research in Genetics and Genomics/Recent Research in Genetics and Genomics ” High doses of Lepidium sativum seed extract are toxic and should be used with caution.
February 2026 in “Molecular Imaging and Radionuclide Therapy” High-dose radioactive iodine therapy does not harm fertility in thyroidectomy patients.
June 2022 in “Journal of Experimental Biology and Agricultural Sciences” Higher testosterone harms sperm motility, while higher estradiol improves sperm survival.
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A small BOTOX dose improved sperm production and movement in older mice.
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.
October 2020 in “Journal of Pakistan Association of Dermatology” Finasteride appears safe for long-term sperm concentration, but more research is needed for clear conclusions.
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.
2 citations
,
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.
December 2023 in “Urogenital tract infection” Seminal bacteria can lower sperm quality in subfertile men.
October 2024 in “Endocrinology Insights” The Bethesda system is effective for identifying thyroid cancer but has low sensitivity.
48 citations
,
December 2019 in “Reproductive Biology and Endocrinology” More research is needed to confirm sperm DNA fragmentation as a reliable tool for diagnosing male infertility.
2 citations
,
March 2022 in “Laboratory Animal Research” A mild botulinum toxin injection improved sperm production and movement in aging mice.
5 citations
,
September 2024 in “Stem Cell Research & Therapy” Sertoli cell transplants can reduce inflammation and improve sperm quality.
72 citations
,
October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
68 citations
,
February 2019 in “Urology” Hormonal treatment in transgender women reduces semen quality, but stopping treatment may improve it.
67 citations
,
April 1988 in “The Journal of Clinical Endocrinology & Metabolism” A subtle androgen receptor abnormality can allow normal male development and sometimes fertility despite partial androgen resistance.
54 citations
,
September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.
49 citations
,
December 2007 in “Fertility and Sterility” Stopping finasteride improved sperm counts in two men, reducing the need for fertility treatments.
47 citations
,
January 2021 in “Fertility and Sterility” COVID-19 might affect male fertility, but more research is needed to understand the full impact.
46 citations
,
August 2022 in “Journal of Endocrinological Investigation” COVID-19 temporarily affects male reproductive health, but sperm and testosterone levels generally return to normal after three months.
39 citations
,
January 2019 in “The World Journal of Men's Health” Testosterone replacement therapy can prevent men from fathering children and should not be used by those wanting to stay fertile.
38 citations
,
December 2010 in “Fertility and Sterility” Finasteride may cause male infertility, stopping it can help.