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.
18 citations
,
October 2021 in “Frontiers in Physiology” Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.
18 citations
,
June 2009 in “Journal of Molecular Endocrinology” Finasteride exposure harms tadpole reproduction and hormone balance.
1 citations
,
August 2013 in “Fertility and Sterility” Finasteride may improve sperm count in subfertile men with low sperm count.
14 citations
,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
June 2020 in “Mağallaẗ al-anbār li-l-ʻulūm al-bayṭariyyaẗ” Finasteride reduces fertility in male rats.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
April 2015 in “Andrology” HNG may help prevent the negative effects of chemotherapy on sperm production and white blood cell counts.
2 citations
,
September 2007 in “Fertility and Sterility” Stopping Propecia may improve sperm count and fertility.
35 citations
,
October 2004 in “Biology of Reproduction” PNU157706 reduced rat sperm movement and fertility without affecting offspring health.
195 citations
,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
17 citations
,
May 2021 in “Journal of Assisted Reproduction and Genetics” COVID-19 may harm male fertility and damage the reproductive system.
March 2013 in “Reactions Weekly” A man's fertility improved after he stopped taking finasteride but worsened again when he restarted the medication.
Finasteride and dutasteride can harm male reproductive health, affecting sperm and causing sexual dysfunction.
February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
14 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” Some nonsurgical hair loss treatments are effective, especially if started early.
January 2024 in “Journal of Applied Health Sciences and Medicine” Nephrolepis biserrata may improve fertility and reduce prostate issues in males.
September 2018 in “Translational andrology and urology” MOTILIPERM may help treat male infertility by reducing stress in cells.
20 citations
,
December 1997 in “Clinical Endocrinology” Spironolactone may help reduce hair loss in androgenic alopecia.
4 citations
,
October 2020 in “Toxicology Mechanisms and Methods” Hesperidin protects rat testicles from finasteride damage and improves sperm health.
5 citations
,
August 1987 in “Andrology” Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
54 citations
,
September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.
13 citations
,
January 2019 in “Endocrine journal” Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
2 citations
,
January 2011 in “Yearbook of Urology” Stopping finasteride can improve sperm count in infertile men.
1 citations
,
January 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.
December 2023 in “Urogenital tract infection” Seminal bacteria can lower sperm quality in subfertile men.
49 citations
,
December 2007 in “Fertility and Sterility” Stopping finasteride improved sperm counts in two men, reducing the need for fertility treatments.
77 citations
,
June 2015 in “Nature Reviews Urology” Some common medications can harm male fertility, but many effects can be reversed.
April 2021 in “Animal Bioscience” 5-Aminolevulinic acid can help chicken sperm move better at the right amount.
2 citations
,
March 2022 in “Laboratory Animal Research” A mild botulinum toxin injection improved sperm production and movement in aging mice.