26 citations,
November 2009 in “Journal of Endocrinological Investigation” Certain gene variations are not a major cause of male infertility in Nigerian men.
15 citations,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
1 citations,
September 2013 in “Fertility and Sterility” Finasteride discontinuation increases sperm count in men.
151 citations,
December 2004 in “Annals of the New York Academy of Sciences” Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.
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.
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.
58 citations,
March 2013 in “Human Reproduction Update” Products should be called 'sperm-safe' only after thorough, well-designed tests.
55 citations,
July 2013 in “Dermatologic therapy” Some dermatological medications can impair male fertility, so consult a doctor before trying to conceive.
54 citations,
September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.
54 citations,
November 2001 in “Urology” The length of the CAG repeat in the androgen receptor gene affects the risk and progression of prostate cancer, BPH, infertility, and undermasculinized genitalia.
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.
29 citations,
July 2013 in “The Journal of Sexual Medicine” Testing for CAG repeat polymorphism in the androgen receptor gene is not currently recommended for managing hypogonadism.
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.
25 citations,
March 2000 in “Journal of Endocrinological Investigation” Testosterone therapy aims to treat hormone deficiencies and various conditions safely and effectively, but requires careful patient monitoring due to potential side effects.
23 citations,
February 2021 in “Journal of Endocrinological Investigation” Betacoronaviruses, like COVID-19, may cause hormone system dysfunction and affect disease susceptibility and severity.
23 citations,
January 2020 in “Frontiers in Pharmacology” Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.
23 citations,
October 2015 in “Andrology” New male hormonal contraceptives show promise but need more research on long-term effects and funding for larger trials.
21 citations,
February 2016 in “Reproductive Biomedicine Online” The conclusion suggests that PCOS may persist due to genetic traits that, while harmful for female fertility, could have provided survival and reproductive benefits to males.
18 citations,
February 2016 in “The Journal of Clinical Endocrinology and Metabolism” Advancements in male reproductive medicine are ongoing, but more research and improved treatments are needed in several areas.
17 citations,
October 2006 in “Molecular and Cellular Endocrinology” The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.
14 citations,
December 1998 in “The Journal of Clinical Endocrinology and Metabolism” MENT could be a better option than testosterone for male hormone therapy and birth control because it works well at lower doses and has fewer side effects on the prostate.
10 citations,
February 2020 in “Endocrine” Finasteride safely treats hair loss without harming hormones or reproduction, but may slightly reduce sexual function.
10 citations,
October 2008 in “Andrologia” Finasteride changes antioxidant enzyme expression, possibly affecting sperm protection in rats.
4 citations,
October 2000 in “Contraception” The right dosage of CPA and TB can work as a safe and reversible male contraceptive in monkeys.
2 citations,
January 2015 in “Springer eBooks” Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.
1 citations,
February 2022 in “Online journal of biological sciences” The document does not determine if adults with aphallia are fertile.
There is no cure for myotonic dystrophy type 1, so treatment focuses on managing symptoms and complications.
April 2015 in “Andrology” HNG may help prevent the negative effects of chemotherapy on sperm production and white blood cell counts.
November 2013 in “John Wiley & Sons, Ltd eBooks” The document concludes that accurate diagnosis of male and female gonadal disorders is crucial for effective treatment and better patient outcomes.
4 citations,
January 2001 in “PubMed”