June 2022 in “Journal of Experimental Biology and Agricultural Sciences” Higher testosterone harms sperm motility, while higher estradiol improves sperm survival.
16 citations,
January 2017 in “Asian journal of andrology/Asian Journal of Andrology” Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
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.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
December 2023 in “Urogenital tract infection” Seminal bacteria can lower sperm quality in subfertile men.
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.
1 citations,
May 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.
Finasteride impairs sperm quality and fertility in rats, even after stopping treatment.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
104 citations,
October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
15 citations,
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.
47 citations,
January 2021 in “Fertility and Sterility” COVID-19 might affect male fertility, but more research is needed to understand the full impact.
23 citations,
January 2007 in “Archives of Andrology” Finasteride may negatively affect male fertility.
18 citations,
July 2020 in “Basic and Clinical Andrology” Wait 3 months after COVID-19 before trying assisted reproduction and further research is needed on COVID-19's effects on male hormones and fertility.
1 citations,
January 2015 in “Journal of Clinical Toxicology” Babies were mostly born healthy from fathers who took finasteride, but some pregnancies ended early; more research is needed.
27 citations,
September 2015 in “PharmaNutrition” Astaxanthin is a safe antioxidant that may improve heart, skin, eye health, and physical performance, and help manage chronic diseases.
77 citations,
June 2015 in “Nature Reviews Urology” Some common medications can harm male fertility, but many effects can be reversed.
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.
58 citations,
March 2013 in “Human Reproduction Update” Products should be called 'sperm-safe' only after thorough, well-designed tests.
4 citations,
October 2020 in “Toxicology Mechanisms and Methods” Hesperidin protects rat testicles from finasteride damage and improves sperm health.
2 citations,
January 2015 in “Springer eBooks” Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.
2 citations,
September 2017 in “Archives of Medical Science” Finasteride affects offspring's antioxidant enzymes in epididymis, possibly disrupting sperm maturation.
April 2021 in “Animal Bioscience” 5-Aminolevulinic acid can help chicken sperm move better at the right amount.
April 2015 in “Andrology” HNG may help prevent the negative effects of chemotherapy on sperm production and white blood cell counts.
1 citations,
July 2023 in “F&S Reviews” Some common medications may harm male fertility by affecting hormones, sperm production, and sexual function.
August 2024 in “The Journal of Urology” The 2024 guideline updates recommendations for genetic testing, imaging, and sperm retrieval in male infertility.
17 citations,
May 2021 in “Journal of Assisted Reproduction and Genetics” COVID-19 may harm male fertility and damage the reproductive system.
8 citations,
January 2017 in “Fertility and Sterility” Urologic diseases and treatments in older men can negatively affect fertility, and doctors should talk to patients about this.
19 citations,
June 2021 in “The world journal of men's health” Using anabolic-androgenic steroids can harm men's reproductive health and increase the risk of heart problems and death.