April 2019 in “Journal of the Endocrine Society” Androgens and estrogens are crucial for insulin secretion in males.
1 citations
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August 2022 in “Case Reports” A rare ovarian tumor caused high testosterone, hair loss, and missed periods, but surgery fixed these issues and led to pregnancy.
January 2025 in “Biomedicines” High testosterone levels can harm fertility by disrupting the LIF signaling pathway in the uterus.
June 2020 in “Mağallaẗ al-anbār li-l-ʻulūm al-bayṭariyyaẗ” Finasteride reduces fertility in male rats.
2 citations
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May 2012 in “Acta pharmaceutica sinica B” The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
111 citations
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May 2001 in “Human reproduction update” Insufficient androgen action in male fetuses can cause genital development issues due to genetic mutations or environmental chemicals.
January 2005 in “Journal of Cutaneous Pathology” A unique type of complex cyst was found on a man's scrotum.
11 citations
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November 2006 in “Journal of Veterinary Diagnostic Investigation” An alpaca acted like a male and couldn't have babies because of a benign tumor in its ovary that caused high testosterone levels.
March 1997 in “Fertility and sterility” Finasteride is an effective and well-tolerated treatment for hirsutism.
April 2010 in “The Journal of Urology” The research found that androgens help control blood flow in the rat prostate through a specific binding site.
September 2025 in “Cureus” Equilibrium dialysis can accurately measure testosterone levels when lab results are inconsistent.
December 2024 in “Frontiers in Neurology” Testosterone with finasteride improved muscle and bone health in men with spinal cord injury.
June 2009 in “Chin J Endocr Surg” Finasteride with antibiotics is more effective for treating hemospermia than antibiotics alone.
9 citations
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August 1992 in “The Journal of Clinical Endocrinology and Metabolism” April 2022 in “The Journal of Urology” Men may experience long-term sexual dysfunction after stopping Finasteride.
March 2023 in “Archives of Physical Medicine and Rehabilitation” Testosterone and finasteride improve body composition in men with spinal cord injury.
January 2005 in “Fuzhou daxue xuebao. Ziran kexue ban” The method is quick and effective for testing steroid 5 alpha-reductase inhibitors.
55 citations
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March 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
53 citations
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July 2014 in “American Journal of Physiology-Endocrinology and Metabolism” Testosterone boosts red blood cell production and changes iron metabolism without needing dihydrotestosterone.
3 citations
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October 1995 in “Southern Medical Journal” Finasteride may cause breast enlargement, low testosterone a risk factor.
6 citations
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April 2022 in “Biomedicines” COVID-19 may harm male fertility by affecting sperm production.
3 citations
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January 2018 in “Frontiers in bioscience” Daily subcutaneous testosterone effectively restores testosterone levels in men.
September 2019 in “Research Square (Research Square)” Micro-CT helps identify suitable areas for surgical procedures based on blood vessel distribution in hypospadias-affected rats.
12 citations
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March 2010 in “Asian Journal of Animal and Veterinary Advances” Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.
Certain medications can negatively impact male fertility.
23 citations
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June 2019 in “Bioanalysis” Monitoring steroid hormones in blood can better detect testosterone doping.
13 citations
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September 2013 in “Steroids” The DHT immunoassay is unreliable due to high cross-reactivity with testosterone.
2 citations
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March 2017 in “Canadian Urological Association journal” Clomiphene citrate improves fertility in men taking finasteride for hair loss.