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Glossary Testosterone Levels

measure of testosterone concentration in the bloodstream

Testosterone levels refer to the concentration of testosterone, a key male sex hormone, in the bloodstream. These levels can influence various bodily functions, including muscle mass, bone density, and hair growth. Abnormal testosterone levels, whether too high or too low, can lead to health issues such as alopecia, infertility, and mood disorders. Measurement of testosterone levels is often done through blood tests to diagnose and manage conditions related to hormonal imbalances.

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Research

5 / 1000+ results

research Normalization of testosterone levels using a low estrogen-containing oral contraceptive in women with polycystic ovary syndrome.

42 citations , July 1982 in “PubMed”

This study found that a low estrogen-containing oral contraceptive normalized hormone levels and improved symptoms in women with polycystic ovary disease, with minimal side effects reported.

Evaluation of Low Testosterone Levels in Male Dogs with Alopecia

research Evaluation of Low Testesterone Levels in Male Dogs with Alopecia

December 2018 in “Journal of Advances in VetBio Science and Techniques”

This study described clinical manifestations such as alopecia and hyperpigmentation in male dogs with hypoandrogenism, suggesting a need for further research on these endocrinopathies in animals.

Older Age and Low Testosterone Levels Are Independently Associated With Kidney Stone Prevalence in Men: Results From a Large Cross-Sectional Study

research Older age and low testosterone levels are independently associated with kidney stone prevalence in men: results from a large cross-sectional study

1 citations , May 2025 in “International Journal of Impotence Research”

This study found that among men with serum testosterone levels below 3.33 ng/mL, the prevalence of kidney stones was significantly higher, independent of other metabolic factors.

research Serum testosterone levels and clinical signs of hypogonadism in men with type 2 diabetes

July 2021 in “International Journal of Community Medicine and Public Health”

This study found that testosterone levels are commonly low among men with type 2 diabetes, and most of these men exhibit symptoms of hypogonadism, with BMI being a significant risk factor.

research Salivary testosterone levels in infertile men

5 citations , August 1987 in “Andrology”

This study found that salivary testosterone levels were significantly lower in oligospermic and azoospermic men compared to normal men, suggesting its potential use in assessing male androgen status.

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Community Join

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community Low testosterone and dht. What should I do?

in Finasteride/Dutasteride 7 upvotes 2 years ago

The user has low testosterone and DHT levels and is considering taking finasteride for Norwood 2 hair loss with diffuse thinning. They are seeking advice on whether low DHT indicates high sensitivity to DHT in the scalp and opinions on their lab values.

community Thoughts on Pre-Finasteride Bloodwork? Normal/high Total and Free Testosterone, Low DHEA-S?

5 upvotes 4 years ago

A 23-year-old male is considering starting Finasteride for hair loss after experiencing persistent shedding and hairline recession, with bloodwork showing normal testosterone levels but low DHEA-S and Vitamin D. He plans to discuss DHEA supplementation with his doctor and has already started Vitamin D supplementation.

community Very low free test from 3 months of finasteride?

in Finasteride/Dutasteride 1 upvotes 1 year ago

A user experienced decreased free testosterone levels after three months of using finasteride, despite positive results in hair shedding reduction. They are considering switching to topical finasteride and plan to conduct further blood tests, including checking SHBG levels, to understand the hormonal changes.

community A rare case? Or a blind spot? Hair loss caused by low T + e2

in Chat 10 upvotes 1 year ago

Low testosterone and estradiol may contribute to hair loss, and blocking DHT without sufficient hormone levels might hinder regrowth. The discussion highlights the importance of hormone balance, with some considering supplements and lifestyle changes to support hair health.

community How can my DHT be so low without Finasteride on cycle?

3 months ago

A user is curious why their DHT levels are not higher despite using 400mg of testosterone without finasteride, and wonders if zinc or GHK-Cu injections could be influencing this. Another user suggests that more testosterone typically leads to more DHT, but the user might be fortunate not to exceed normal DHT levels.

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