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.
Finasteride treatment increased blood volume and reduced vessel leakiness in beagle prostates.
July 2001 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” Male children's genital development issues can be caused by genetic mutations or environmental factors affecting hormone action.
1 citations
,
August 2019 in “Environmental Toxicology” Exposure to low doses of finasteride in the womb causes changes in the prostate of both male and female gerbils.
23 citations
,
July 2015 in “The Journal of Membrane Biology” Testosterone increases certain proteins in the uterus, reducing fluid volume.
April 2019 in “Journal of the Endocrine Society” Middle-aged men with unusual hot flashes should be checked for pituitary tumors.
Finasteride causes reproductive malformations in male rats.
19 citations
,
October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride causes reproductive changes in male rats.
28 citations
,
January 1991 in “Reproductive Toxicology” Finasteride temporarily lowers male rat fertility without affecting libido.
August 2025 in “International Journal of Cancer” Childhood and adult height, and early immune-related hospitalizations increase testicular cancer risk, while baldness, larger families, and sports reduce it.
2 citations
,
September 1997 in “Archives of Dermatology” June 2026 in “Kocatepe Veterinary Journal” PRP injections may slightly improve testicular development in male lambs.
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.
28 citations
,
January 2009 in “Cellular & Molecular Biology Letters” DHT deficiency increases iNOS expression in rat testis and epididymis.
104 citations
,
May 2019 in “F1000Research” Losing weight, fixing varicoceles, and using advanced sperm selection methods improve male infertility treatment outcomes.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
82 citations
,
February 1989 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.
April 2018 in “The Journal of Urology” Dutasteride use can lead to a stable decline in sexual function that is not affected by age or prostate size.
10 citations
,
February 2019 in “Toxicological Sciences” Finasteride exposure affects gene expression and anogenital distance in male rat fetuses.
23 citations
,
January 2007 in “Archives of Andrology” Finasteride may negatively affect male fertility.
October 1988 in “Pediatric research” Certain maturity signs appear before and after the first release of sperm in boys.
January 2019 in “Central European Journal of Urology”
January 1999 in “Current Problems in Pediatrics” Swimming in Lake Malawi can lead to schistosomiasis, hepatitis B vaccine might cause temporary hair loss, and certain drinks affect kidney stone risk.
42 citations
,
May 2007 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Testosterone can build muscle and bone without enlarging the prostate when a specific enzyme is blocked.
November 2017 in “International journal of family & community medicine” A man's low testosterone and related symptoms improved after he stopped taking hair loss drugs.
December 2023 in “Urogenital tract infection” Seminal bacteria can lower sperm quality in subfertile men.
1 citations
,
November 2002 in “Endocrine practice” The patient's high testosterone was reduced by a medication that suppresses gonadotropin.
5 citations
,
December 2018 in “Frontiers in Endocrinology” Differences in androgen receptor expression and tissue properties may lead to higher cryptorchidism risk in certain rats.
Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.