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.
September 2018 in “Translational andrology and urology” MOTILIPERM may help treat male infertility by reducing stress in cells.
1 citations
,
September 2013 in “Fertility and Sterility” Finasteride discontinuation increases sperm count in men.
23 citations
,
January 2007 in “Archives of Andrology” Finasteride may negatively affect male fertility.
Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.
April 2019 in “Journal of the Endocrine Society” Mosaic Klinefelter syndrome can affect male fertility and may be missed in routine tests.
2 citations
,
February 2020 in “Rivista Urologia” Both terazosin and baclofen effectively reduce pain in young men with chronic testicular pain, with no difference in their effectiveness.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
June 2014 in “The Journal of Urology”
54 citations
,
September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
34 citations
,
January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
2 citations
,
August 2021 in “The Journal of Urology” The procedure involving seminal vesiculoscopy, TURED, and balloon dilation effectively treated a man's hematospermia and improved his dysorgasmia.
2 citations
,
September 2007 in “Fertility and Sterility” Stopping Propecia may improve sperm count and fertility.
10 citations
,
December 2019 in “in Vivo” Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.
16 citations
,
June 2022 in “Transgender Health” Oocyte retrieval is possible for transgender men on testosterone therapy without affecting fertility outcomes.
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.
18 citations
,
March 2015 in “Journal of Endocrinological Investigation” The research suggests that the ZP4 gene is linked to egg development in women with PCOS but requires more study to understand its role in infertility.
27 citations
,
April 2011 in “Folia Histochemica et Cytobiologica” DHT deficiency can disrupt cell connections in rat testes, possibly affecting fertility.
23 citations
,
March 1998 in “BMJ” Haemochromatosis can cause infertility by affecting hormone glands.
2 citations
,
December 2016 in “Clinical and Experimental Obstetrics & Gynecology” Certain health factors can worsen fertility treatment results in women with PCOS.
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.
49 citations
,
December 2007 in “Fertility and Sterility” Stopping finasteride improved sperm counts in two men, reducing the need for fertility treatments.
January 2022 in “European journal of anatomy” A man had four testicles, two of which were outside the scrotum and looked like fatty lumps.
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.
4 citations
,
December 2017 in “Journal of zoo and wildlife medicine” Hormonal changes during the reproductive cycle may cause seasonal skin problems in captive female fossas.
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.
26 citations
,
March 2001 in “PubMed” Men's fertility and sexual health decline with age, with reduced testosterone and virility, and many lose fertility by their eighties.
72 citations
,
September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
40 citations
,
January 1973 in “Journal of Dairy Science” Zinc deficiency in male goats leads to poor hair growth, smaller testicles, reduced libido, and is hard to reverse.